/*
 * (c) Copyright Ascensio System SIA 2010-2015
 *
 * This program is a free software product. You can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License (AGPL) 
 * version 3 as published by the Free Software Foundation. In accordance with 
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under 
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
 if (Common === undefined) {
    var Common = {};
}
Common.Views = Common.Views || {};
define(["text!common/main/lib/template/Comments.template", "text!common/main/lib/template/CommentsPanel.template", "text!common/main/lib/template/CommentsPopover.template", "common/main/lib/util/utils", "common/main/lib/component/Button", "common/main/lib/component/ComboBox", "common/main/lib/component/DataView", "common/main/lib/component/Window"], function (commentsTemplate, panelTemplate, popoverTemplate) {
    function replaceWords(template, words) {
        var word, value, tpl = template;
        for (word in words) {
            if (undefined !== word) {
                value = words[word];
                tpl = tpl.replace(new RegExp(word, "g"), value);
            }
        }
        return tpl;
    }
    Common.Views.CommentsPopover = Common.UI.Window.extend({
        initialize: function (options) {
            var _options = {};
            _.extend(_options, {
                closable: false,
                width: 265,
                height: 120,
                header: false,
                modal: false
            },
            options);
            this.template = options.template || ['<div class="box">', '<div id="id-comments-popover" class="comments-popover"></div>', '<div id="id-comments-arrow" class="comments-arrow-left"></div>', "</div>"].join("");
            this.store = options.store;
            this.delegate = options.delegate;
            _options.tpl = _.template(this.template, _options);
            this.arrow = {
                margin: 20,
                width: 12,
                height: 34
            };
            this.sdkBounds = {
                width: 0,
                height: 0,
                padding: 5,
                paddingTop: 20
            };
            Common.UI.Window.prototype.initialize.call(this, _options);
        },
        render: function () {
            Common.UI.Window.prototype.render.call(this);
            var me = this,
            t = this.delegate,
            window = this.$window;
            window.css({
                height: "",
                minHeight: "",
                overflow: "hidden",
                position: "absolute",
                zIndex: "990"
            });
            var body = window.find(".body");
            if (body) {
                body.css("position", "relative");
            }
            var PopoverDataView = Common.UI.DataView.extend((function () {
                var parentView = me;
                return {
                    options: {
                        handleSelect: false,
                        scrollable: true,
                        template: _.template('<div class="dataview-ct inner" style="overflow-y: hidden;"></div>')
                    },
                    getTextBox: function () {
                        var text = $(this.el).find("textarea");
                        return (text && text.length) ? text : undefined;
                    },
                    setFocusToTextBox: function (blur) {
                        var text = $(this.el).find("textarea");
                        if (blur) {
                            text.blur();
                        } else {
                            if (text && text.length) {
                                var val = text.val();
                                text.focus();
                                text.val("");
                                text.val(val);
                            }
                        }
                    },
                    getActiveTextBoxVal: function () {
                        var text = $(this.el).find("textarea");
                        return (text && text.length) ? text.val().trim() : "";
                    },
                    autoHeightTextBox: function () {
                        var view = this,
                        textBox = this.$el.find("textarea"),
                        domTextBox = null,
                        minHeight = 50,
                        lineHeight = 0,
                        scrollPos = 0,
                        oldHeight = 0,
                        newHeight = 0;
                        function updateTextBoxHeight() {
                            scrollPos = $(view.scroller.el).scrollTop();
                            if (domTextBox.scrollHeight > domTextBox.clientHeight) {
                                textBox.css({
                                    height: (domTextBox.scrollHeight + lineHeight) + "px"
                                });
                                parentView.calculateSizeOfContent();
                            } else {
                                oldHeight = domTextBox.clientHeight;
                                if (oldHeight >= minHeight) {
                                    textBox.css({
                                        height: minHeight + "px"
                                    });
                                    if (domTextBox.scrollHeight > domTextBox.clientHeight) {
                                        newHeight = Math.max(domTextBox.scrollHeight + lineHeight, minHeight);
                                        textBox.css({
                                            height: newHeight + "px"
                                        });
                                    }
                                    parentView.calculateSizeOfContent();
                                    parentView.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                    parentView.calculateSizeOfContent();
                                }
                            }
                            view.scroller.scrollTop(scrollPos);
                            view.autoScrollToEditButtons();
                        }
                        if (textBox && textBox.length) {
                            domTextBox = textBox.get(0);
                            if (domTextBox) {
                                lineHeight = parseInt(textBox.css("lineHeight"), 10) * 0.25;
                                updateTextBoxHeight();
                                textBox.bind("input propertychange", updateTextBoxHeight);
                            }
                        }
                        this.textBox = textBox;
                    },
                    clearTextBoxBind: function () {
                        if (this.textBox) {
                            this.textBox.unbind("input propertychange");
                            this.textBox = undefined;
                        }
                    },
                    autoScrollToEditButtons: function () {
                        var button = $("#id-comments-change-popover"),
                        btnBounds = null,
                        contentBounds = this.el.getBoundingClientRect(),
                        moveY = 0,
                        padding = 7;
                        if (button.length) {
                            btnBounds = button.get(0).getBoundingClientRect();
                            if (btnBounds && contentBounds) {
                                moveY = contentBounds.bottom - (btnBounds.bottom + padding);
                                if (moveY < 0) {
                                    this.scroller.scrollTop(this.scroller.getScrollTop() - moveY);
                                }
                            }
                        }
                    }
                };
            })());
            if (PopoverDataView) {
                if (this.commentsView) {
                    this.commentsView.render($("#id-comments-popover"));
                    this.commentsView.onResetItems();
                } else {
                    this.commentsView = new PopoverDataView({
                        el: $("#id-comments-popover"),
                        store: me.store,
                        itemTemplate: _.template(replaceWords(popoverTemplate, {
                            textAddReply: t.textAddReply,
                            textAdd: t.textAdd,
                            textCancel: t.textCancel,
                            textEdit: t.textEdit,
                            textReply: t.textReply,
                            textClose: t.textClose,
                            textResolved: t.textResolved,
                            textResolve: t.textResolve
                        }))
                    });
                    this.commentsView.on("item:click", function (picker, item, record, e) {
                        var btn, showEditBox, showReplyBox, commentId, replyId, hideAddReply;
                        function readdresolves() {
                            me.renderResolvedComboButtons();
                            t.renderResolvedComboButtons();
                            me.update();
                        }
                        btn = $(e.target);
                        if (btn) {
                            showEditBox = record.get("editTextInPopover");
                            showReplyBox = record.get("showReplyInPopover");
                            hideAddReply = record.get("hideAddReply");
                            commentId = record.get("uid");
                            replyId = btn.attr("data-value");
                            if (record.get("hint")) {
                                t.fireEvent("comment:disableHint", [record]);
                                return;
                            }
                            if (btn.hasClass("btn-edit")) {
                                if (!_.isUndefined(replyId)) {
                                    t.fireEvent("comment:closeEditing", [commentId]);
                                    t.fireEvent("comment:editReply", [commentId, replyId, true]);
                                    this.replyId = replyId;
                                    this.autoHeightTextBox();
                                    me.calculateSizeOfContent();
                                    me.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                    me.calculateSizeOfContent();
                                    readdresolves();
                                    me.hookTextBox();
                                    this.autoScrollToEditButtons();
                                    this.setFocusToTextBox();
                                } else {
                                    if (!showEditBox) {
                                        t.fireEvent("comment:closeEditing");
                                        record.set("editTextInPopover", true);
                                        t.fireEvent("comment:show", [commentId]);
                                        this.autoHeightTextBox();
                                        me.calculateSizeOfContent();
                                        me.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                        me.calculateSizeOfContent();
                                        readdresolves();
                                        me.hookTextBox();
                                        this.autoScrollToEditButtons();
                                        this.setFocusToTextBox();
                                    }
                                }
                            } else {
                                if (btn.hasClass("btn-delete")) {
                                    if (!_.isUndefined(replyId)) {
                                        t.fireEvent("comment:removeReply", [commentId, replyId]);
                                        me.calculateSizeOfContent();
                                        me.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                        me.calculateSizeOfContent();
                                    } else {
                                        t.fireEvent("comment:remove", [commentId]);
                                    }
                                    t.fireEvent("comment:closeEditing");
                                    readdresolves();
                                } else {
                                    if (btn.hasClass("user-reply")) {
                                        t.fireEvent("comment:closeEditing");
                                        record.set("showReplyInPopover", true);
                                        me.calculateSizeOfContent();
                                        me.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                        me.calculateSizeOfContent();
                                        readdresolves();
                                        this.autoHeightTextBox();
                                        me.hookTextBox();
                                        this.autoScrollToEditButtons();
                                        this.setFocusToTextBox();
                                    } else {
                                        if (btn.hasClass("btn-reply", false)) {
                                            if (showReplyBox) {
                                                this.clearTextBoxBind();
                                                t.fireEvent("comment:addReply", [commentId, this.getActiveTextBoxVal()]);
                                                t.fireEvent("comment:closeEditing");
                                                readdresolves();
                                            }
                                        } else {
                                            if (btn.hasClass("btn-close", false)) {
                                                t.fireEvent("comment:closeEditing", [commentId]);
                                                me.calculateSizeOfContent();
                                                t.fireEvent("comment:show", [commentId]);
                                                readdresolves();
                                            } else {
                                                if (btn.hasClass("btn-inner-edit", false)) {
                                                    if (record.get("dummy")) {
                                                        t.fireEvent("comment:addDummyComment", [this.getActiveTextBoxVal()]);
                                                        return;
                                                    }
                                                    this.clearTextBoxBind();
                                                    if (!_.isUndefined(this.replyId)) {
                                                        t.fireEvent("comment:changeReply", [commentId, this.replyId, this.getActiveTextBoxVal()]);
                                                        this.replyId = undefined;
                                                        t.fireEvent("comment:closeEditing");
                                                    } else {
                                                        if (showEditBox) {
                                                            t.fireEvent("comment:change", [commentId, this.getActiveTextBoxVal()]);
                                                            t.fireEvent("comment:closeEditing");
                                                            me.calculateSizeOfContent();
                                                        }
                                                    }
                                                    readdresolves();
                                                } else {
                                                    if (btn.hasClass("btn-inner-close", false)) {
                                                        if (record.get("dummy")) {
                                                            me.hide();
                                                            return;
                                                        }
                                                        if (hideAddReply && this.getActiveTextBoxVal().length > 0) {
                                                            me.saveText();
                                                            record.set("hideAddReply", false);
                                                            this.getTextBox().val(me.textVal);
                                                            this.autoHeightTextBox();
                                                        } else {
                                                            this.clearTextBoxBind();
                                                            t.fireEvent("comment:closeEditing", [commentId]);
                                                        }
                                                        this.replyId = undefined;
                                                        me.calculateSizeOfContent();
                                                        me.setLeftTop(me.arrowPosX, me.arrowPosY, me.leftX);
                                                        me.calculateSizeOfContent();
                                                        readdresolves();
                                                    } else {
                                                        if (btn.hasClass("btn-resolve", false)) {
                                                            t.fireEvent("comment:resolve", [commentId]);
                                                            readdresolves();
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    });
                    me.on({
                        "show": function () {
                            me.commentsView.autoHeightTextBox();
                            var text = me.$window.find("textarea");
                            if (text && text.length) {
                                text.focus();
                            }
                            text.keydown(function (event) {
                                if (event.keyCode == Common.UI.Keys.ESC) {
                                    me.hide();
                                }
                            });
                        }
                    });
                }
            }
        },
        show: function (animate, loadText, focus, showText) {
            this.options.animate = animate;
            var me = this,
            textBox = this.commentsView.getTextBox();
            if (loadText && this.textVal) {
                textBox && textBox.val(this.textVal);
            }
            if (showText && showText.length) {
                textBox && textBox.val(showText);
            }
            Common.UI.Window.prototype.show.call(this);
            this.renderResolvedComboButtons();
            if (this.commentsView.scroller) {
                this.commentsView.scroller.update({
                    minScrollbarLength: 40
                });
            }
            this.hookTextBox();
        },
        hide: function () {
            if (this.handlerHide) {
                this.handlerHide();
            }
            Common.UI.Window.prototype.hide.call(this);
            if (!_.isUndefined(this.e) && this.e.keyCode == Common.UI.Keys.ESC) {
                this.e.preventDefault();
                this.e.stopImmediatePropagation();
                this.e = undefined;
            }
        },
        update: function () {
            if (this.commentsView && this.commentsView.scroller) {
                this.commentsView.scroller.update({
                    minScrollbarLength: 40
                });
            }
        },
        isVisible: function () {
            return (this.$window && this.$window.is(":visible"));
        },
        setLeftTop: function (posX, posY, leftX, loadInnerValues) {
            if (!this.$window) {
                this.render();
            }
            if (loadInnerValues) {
                posX = this.arrowPosX;
                posY = this.arrowPosY;
                leftX = this.leftX;
            }
            if (_.isUndefined(posX) && _.isUndefined(posY)) {
                return;
            }
            this.arrowPosX = posX;
            this.arrowPosY = posY;
            this.leftX = leftX;
            var commentsView = $("#id-comments-popover"),
            arrowView = $("#id-comments-arrow"),
            editorView = $("#editor_sdk"),
            editorBounds = null,
            sdkBoundsHeight = 0,
            sdkBoundsTop = 0,
            sdkBoundsLeft = 0,
            sdkPanelRight = "",
            sdkPanelRightWidth = 0,
            sdkPanelLeft = "",
            sdkPanelLeftWidth = 0,
            sdkPanelThumbs = "",
            sdkPanelThumbsWidth = 0,
            sdkPanelTop = "",
            sdkPanelHeight = 0,
            leftPos = 0,
            windowWidth = 0,
            outerHeight = 0,
            topPos = 0,
            sdkBoundsTopPos = 0;
            if (commentsView && arrowView && editorView && editorView.get(0)) {
                editorBounds = editorView.get(0).getBoundingClientRect();
                if (editorBounds) {
                    sdkBoundsHeight = editorBounds.height - this.sdkBounds.padding * 2;
                    this.$window.css({
                        maxHeight: sdkBoundsHeight + "px"
                    });
                    this.sdkBounds.width = editorBounds.width;
                    this.sdkBounds.height = editorBounds.height;
                    if (!_.isUndefined(posX)) {
                        sdkPanelRight = $("#id_vertical_scroll");
                        if (sdkPanelRight.length) {
                            sdkPanelRightWidth = (sdkPanelRight.css("display") !== "none") ? sdkPanelRight.width() : 0;
                        } else {
                            sdkPanelRight = $("#ws-v-scrollbar");
                            if (sdkPanelRight.length) {
                                sdkPanelRightWidth = (sdkPanelRight.css("display") !== "none") ? sdkPanelRight.width() : 0;
                            }
                        }
                        this.sdkBounds.width -= sdkPanelRightWidth;
                        sdkPanelLeft = $("#id_panel_left");
                        if (sdkPanelLeft.length) {
                            sdkPanelLeftWidth = (sdkPanelLeft.css("display") !== "none") ? sdkPanelLeft.width() : 0;
                        }
                        sdkPanelThumbs = $("#id_panel_thumbnails");
                        if (sdkPanelThumbs.length) {
                            sdkPanelThumbsWidth = (sdkPanelThumbs.css("display") !== "none") ? sdkPanelThumbs.width() : 0;
                            this.sdkBounds.width -= sdkPanelThumbsWidth;
                        }
                        leftPos = Math.min(sdkBoundsLeft + posX + this.arrow.width, sdkBoundsLeft + this.sdkBounds.width - this.$window.outerWidth());
                        leftPos = Math.max(sdkBoundsLeft + sdkPanelLeftWidth + this.arrow.width, leftPos);
                        arrowView.attr("class", "comments-arrow-left");
                        if (!_.isUndefined(leftX)) {
                            windowWidth = this.$window.outerWidth();
                            if (windowWidth) {
                                if ((posX + windowWidth > this.sdkBounds.width - this.arrow.width + 5) && (this.leftX > windowWidth)) {
                                    leftPos = this.leftX - windowWidth + sdkBoundsLeft - this.arrow.width;
                                    arrowView.attr("class", "comments-arrow-right");
                                } else {
                                    arrowView.attr("class", "comments-arrow-left");
                                    leftPos = sdkBoundsLeft + posX + this.arrow.width;
                                }
                            }
                        }
                        this.$window.css("left", leftPos + "px");
                    }
                    if (!_.isUndefined(posY)) {
                        sdkPanelTop = $("#id_panel_top");
                        sdkBoundsTopPos = sdkBoundsTop;
                        if (sdkPanelTop.length) {
                            sdkPanelHeight = (sdkPanelTop.css("display") !== "none") ? sdkPanelTop.height() : 0;
                            sdkBoundsTopPos += this.sdkBounds.paddingTop;
                        } else {
                            sdkPanelTop = $("#ws-h-scrollbar");
                            if (sdkPanelTop.length) {
                                sdkPanelHeight = (sdkPanelTop.css("display") !== "none") ? sdkPanelTop.height() : 0;
                                sdkBoundsTopPos -= this.sdkBounds.paddingTop;
                            }
                        }
                        this.sdkBounds.height -= sdkPanelHeight;
                        outerHeight = this.$window.outerHeight();
                        topPos = Math.min(sdkBoundsTop + sdkBoundsHeight - outerHeight, this.arrowPosY + sdkBoundsTop - this.arrow.height);
                        topPos = Math.max(topPos, sdkBoundsTopPos);
                        this.$window.css("top", topPos + "px");
                    }
                }
            }
            this.calculateSizeOfContent();
        },
        calculateSizeOfContent: function (testVisible) {
            if (testVisible && !this.$window.is(":visible")) {
                return;
            }
            this.$window.css({
                overflow: "hidden"
            });
            var arrowView = $("#id-comments-arrow"),
            commentsView = $("#id-comments-popover"),
            contentBounds = null,
            editorView = null,
            editorBounds = null,
            sdkBoundsHeight = 0,
            sdkBoundsTop = 0,
            sdkBoundsLeft = 0,
            sdkPanelTop = "",
            sdkPanelHeight = 0,
            arrowPosY = 0,
            windowHeight = 0,
            outerHeight = 0,
            topPos = 0,
            sdkBoundsTopPos = 0;
            if (commentsView && arrowView && commentsView.get(0)) {
                commentsView.css({
                    height: "100%"
                });
                contentBounds = commentsView.get(0).getBoundingClientRect();
                if (contentBounds) {
                    editorView = $("#editor_sdk");
                    if (editorView && editorView.get(0)) {
                        editorBounds = editorView.get(0).getBoundingClientRect();
                        if (editorBounds) {
                            sdkBoundsHeight = editorBounds.height - this.sdkBounds.padding * 2;
                            sdkBoundsTopPos = sdkBoundsTop;
                            windowHeight = this.$window.outerHeight();
                            sdkPanelTop = $("#id_panel_top");
                            if (sdkPanelTop.length) {
                                sdkPanelHeight = (sdkPanelTop.css("display") !== "none") ? sdkPanelTop.height() : 0;
                                sdkBoundsTopPos += this.sdkBounds.paddingTop;
                            } else {
                                sdkPanelTop = $("#ws-h-scrollbar");
                                if (sdkPanelTop.length) {
                                    sdkPanelHeight = (sdkPanelTop.css("display") !== "none") ? sdkPanelTop.height() : 0;
                                    sdkBoundsTopPos -= this.sdkBounds.paddingTop;
                                }
                            }
                            outerHeight = Math.max(commentsView.outerHeight(), this.$window.outerHeight());
                            if (sdkBoundsHeight < outerHeight) {
                                this.$window.css({
                                    maxHeight: sdkBoundsHeight - sdkPanelHeight + "px",
                                    top: sdkBoundsTop + sdkPanelHeight + "px"
                                });
                                commentsView.css({
                                    height: sdkBoundsHeight - sdkPanelHeight + "px"
                                });
                                arrowPosY = Math.min(arrowPosY, sdkBoundsHeight - (sdkPanelHeight + this.arrow.margin + this.arrow.width));
                                arrowView.css({
                                    top: arrowPosY + "px"
                                });
                            } else {
                                outerHeight = windowHeight;
                                if (outerHeight > 0) {
                                    if (contentBounds.top + outerHeight > sdkBoundsHeight + sdkBoundsTop || contentBounds.height === 0) {
                                        topPos = Math.min(sdkBoundsTop + sdkBoundsHeight - outerHeight, this.arrowPosY + sdkBoundsTop - this.arrow.height);
                                        topPos = Math.max(topPos, sdkBoundsTopPos);
                                        this.$window.css({
                                            top: topPos + "px"
                                        });
                                    }
                                }
                                arrowPosY = Math.max(this.arrow.margin, this.arrowPosY - (sdkBoundsHeight - outerHeight) - this.arrow.width);
                                arrowPosY = Math.min(arrowPosY, outerHeight - this.arrow.margin - this.arrow.width);
                                arrowView.css({
                                    top: arrowPosY + "px"
                                });
                            }
                        }
                    }
                }
            }
            this.$window.css({
                overflow: ""
            });
        },
        saveText: function (clear) {
            this.textVal = undefined;
            if (this.commentsView) {
                if (!clear) {
                    this.textVal = this.commentsView.getActiveTextBoxVal();
                } else {
                    this.commentsView.clearTextBoxBind();
                }
            }
        },
        getEditText: function () {
            if (this.commentsView) {
                return this.commentsView.getActiveTextBoxVal();
            }
            return undefined;
        },
        renderResolvedComboButtons: function () {
            if (_.isUndefined(this.openComboBoxes)) {
                this.openComboBoxes = [];
            }
            var me = this,
            i = 0,
            openCombo, buttons, j = this.openComboBoxes.length - 1;
            function onSelectResolveComment(comboBox) {
                if ($(comboBox.el).parent() && $(comboBox.el).parent().parent()) {
                    var id = ($(comboBox.el).parent().parent()).attr("id");
                    if (id) {
                        me.delegate.fireEvent("comment:resolve", [undefined, id]);
                        me.delegate.renderResolvedComboButtons();
                        me.renderResolvedComboButtons();
                    }
                }
            }
            for (; j >= 0; --j) {
                this.openComboBoxes[j].off();
                this.openComboBoxes[j].stopListening();
            }
            this.openComboBoxes = [];
            if (this.commentsView) {
                buttons = $(this.commentsView.el).find(".resolve-ct-check");
                for (i = buttons.length - 1; i >= 0; --i) {
                    openCombo = new Common.UI.ComboBox({
                        template: _.template(["<div>", '<div class="resolved"></div>', '<div class="btn-resolve-check dropdown-toggle" data-toggle="dropdown">', this.delegate.textResolved, "</div>", '<span class="comments-caret"></span>', '<ul class="dropdown-menu <%= menuCls %>" style="<%= menuStyle %>" role="menu">', "<% _.each(items, function (item) { %>", '<li id="<%= item.id %>" data-value="<%= item.value %>"><a href="#"><%= scope.getDisplayValue(item) %></a></li>', "<% }); %>", "</ul>", "</div>", ].join("")),
                        menuStyle: "min-width: 55px; margin-top: -7px; margin-left: -2px; padding: 0 0; right: 6px; left: auto;",
                        data: [{
                            value: 1,
                            displayValue: this.delegate.textOpenAgain
                        }]
                    });
                    openCombo.render($(buttons[i]));
                    openCombo.on("selected", onSelectResolveComment);
                    this.openComboBoxes.push(openCombo);
                }
            }
        },
        hookTextBox: function () {
            var me = this,
            textBox = this.commentsView.getTextBox();
            textBox && textBox.keydown(function (event) {
                if ((event.ctrlKey || event.metaKey) && event.keyCode === Common.UI.Keys.RETURN) {
                    var buttonChangeComment = $("#id-comments-change-popover");
                    if (buttonChangeComment && buttonChangeComment.length) {
                        buttonChangeComment.click();
                    }
                    event.stopImmediatePropagation();
                } else {
                    if (event.keyCode === Common.UI.Keys.TAB) {
                        var $this, end, start;
                        start = this.selectionStart;
                        end = this.selectionEnd;
                        $this = $(this);
                        $this.val($this.val().substring(0, start) + "\t" + $this.val().substring(end));
                        this.selectionStart = this.selectionEnd = start + 1;
                        event.stopImmediatePropagation();
                        event.preventDefault();
                    }
                }
                me.e = event;
            });
        }
    });
    Common.Views.Comments = Common.UI.BaseView.extend(_.extend({
        el: "#left-panel-comments",
        template: _.template(panelTemplate),
        initialize: function (options) {
            Common.UI.BaseView.prototype.initialize.call(this, options);
            this.store = this.options.store;
            this.popoverComments = this.options.popoverComments;
        },
        render: function () {
            var me = this;
            $(this.el).html(this.template({
                textAddCommentToDoc: me.textAddCommentToDoc,
                textAddComment: me.textAddComment,
                textCancel: me.textCancel,
                textEnterCommentHint: me.textEnterCommentHint
            }));
            this.buttonAddCommentToDoc = new Common.UI.Button({
                el: $("#comment-btn-new"),
                enableToggle: false
            });
            this.buttonAdd = new Common.UI.Button({
                action: "add",
                el: $("#comment-btn-add"),
                enableToggle: false
            });
            this.buttonCancel = new Common.UI.Button({
                el: $("#comment-btn-cancel"),
                enableToggle: false
            });
            this.buttonAddCommentToDoc.on("click", _.bind(this.onClickShowBoxDocumentComment, this));
            this.buttonAdd.on("click", _.bind(this.onClickAddDocumentComment, this));
            this.buttonCancel.on("click", _.bind(this.onClickCancelDocumentComment, this));
            this.txtComment = $("#comment-msg-new", this.el);
            this.txtComment.keydown(function (event) {
                if ((event.ctrlKey || event.metaKey) && event.keyCode == Common.UI.Keys.RETURN) {
                    me.onClickAddDocumentComment();
                    event.stopImmediatePropagation();
                } else {
                    if (event.keyCode === Common.UI.Keys.TAB) {
                        var $this, end, start;
                        start = this.selectionStart;
                        end = this.selectionEnd;
                        $this = $(this);
                        $this.val($this.val().substring(0, start) + "\t" + $this.val().substring(end));
                        this.selectionStart = this.selectionEnd = start + 1;
                        event.stopImmediatePropagation();
                        event.preventDefault();
                    }
                }
            });
            var CommentsPanelDataView = Common.UI.DataView.extend((function () {
                var parentView = me;
                return {
                    options: {
                        handleSelect: false,
                        scrollable: true,
                        listenStoreEvents: false,
                        template: _.template('<div class="dataview-ct inner"></div>')
                    },
                    getTextBox: function () {
                        var text = $(this.el).find("textarea");
                        return (text && text.length) ? text : undefined;
                    },
                    setFocusToTextBox: function () {
                        var text = $(this.el).find("textarea");
                        if (text && text.length) {
                            var val = text.val();
                            text.focus();
                            text.val("");
                            text.val(val);
                        }
                    },
                    getActiveTextBoxVal: function () {
                        var text = $(this.el).find("textarea");
                        return (text && text.length) ? text.val().trim() : "";
                    },
                    autoHeightTextBox: function () {
                        var view = this,
                        textBox = $(this.el).find("textarea"),
                        domTextBox = null,
                        minHeight = 50,
                        lineHeight = 0,
                        scrollPos = 0,
                        oldHeight = 0,
                        newHeight = 0;
                        function updateTextBoxHeight() {
                            if (domTextBox.scrollHeight > domTextBox.clientHeight) {
                                textBox.css({
                                    height: (domTextBox.scrollHeight + lineHeight) + "px"
                                });
                            } else {
                                oldHeight = domTextBox.clientHeight;
                                if (oldHeight >= minHeight) {
                                    textBox.css({
                                        height: minHeight + "px"
                                    });
                                    if (domTextBox.scrollHeight > domTextBox.clientHeight) {
                                        newHeight = Math.max(domTextBox.scrollHeight + lineHeight, minHeight);
                                        textBox.css({
                                            height: newHeight + "px"
                                        });
                                    }
                                }
                            }
                            view.autoScrollToEditButtons();
                        }
                        if (textBox && textBox.length) {
                            domTextBox = textBox.get(0);
                            if (domTextBox) {
                                lineHeight = parseInt(textBox.css("lineHeight"), 10) * 0.25;
                                updateTextBoxHeight();
                                textBox.bind("input propertychange", updateTextBoxHeight);
                            }
                        }
                        this.textBox = textBox;
                    },
                    clearTextBoxBind: function () {
                        if (this.textBox) {
                            this.textBox.unbind("input propertychange");
                            this.textBox = undefined;
                        }
                    },
                    autoScrollToEditButtons: function () {
                        var button = $("#id-comments-change"),
                        btnBounds = null,
                        contentBounds = this.el.getBoundingClientRect(),
                        moveY = 0,
                        padding = 7;
                        if (button.length) {
                            btnBounds = button.get(0).getBoundingClientRect();
                            if (btnBounds && contentBounds) {
                                moveY = contentBounds.bottom - (btnBounds.bottom + padding);
                                if (moveY < 0) {
                                    this.scroller.scrollTop(this.scroller.getScrollTop() - moveY);
                                }
                            }
                        }
                    }
                };
            })());
            if (CommentsPanelDataView) {
                if (this.commentsView) {
                    this.commentsView.render($("#comments-messages"));
                    this.commentsView.onResetItems();
                } else {
                    this.commentsView = new CommentsPanelDataView({
                        el: $("#comments-messages"),
                        store: me.store,
                        itemTemplate: _.template(replaceWords(commentsTemplate, {
                            textAddReply: me.textAddReply,
                            textAdd: me.textAdd,
                            textCancel: me.textCancel,
                            textEdit: me.textEdit,
                            textReply: me.textReply,
                            textClose: me.textClose,
                            textResolved: me.textResolved,
                            textResolve: me.textResolve
                        }))
                    });
                    this.commentsView.on("item:click", function (picker, item, record, e) {
                        var btn, showEditBox, showReplyBox, commentId, replyId, hideAddReply;
                        function readdresolves() {
                            if (me.popover) {
                                me.popover.renderResolvedComboButtons();
                            }
                            me.renderResolvedComboButtons();
                            me.update();
                        }
                        btn = $(e.target);
                        if (btn) {
                            showEditBox = record.get("editText");
                            showReplyBox = record.get("showReply");
                            commentId = record.get("uid");
                            replyId = btn.attr("data-value");
                            if (btn.hasClass("btn-edit")) {
                                if (!_.isUndefined(replyId)) {
                                    me.fireEvent("comment:closeEditing", [commentId]);
                                    me.fireEvent("comment:editReply", [commentId, replyId]);
                                    me.commentsView.reply = replyId;
                                    this.autoHeightTextBox();
                                    readdresolves();
                                    me.hookTextBox();
                                    this.autoScrollToEditButtons();
                                    this.setFocusToTextBox();
                                } else {
                                    if (!showEditBox) {
                                        me.fireEvent("comment:closeEditing");
                                        record.set("editText", true);
                                        this.autoHeightTextBox();
                                        readdresolves();
                                        this.setFocusToTextBox();
                                        me.hookTextBox();
                                    }
                                }
                            } else {
                                if (btn.hasClass("btn-delete")) {
                                    if (!_.isUndefined(replyId)) {
                                        me.fireEvent("comment:removeReply", [commentId, replyId]);
                                    } else {
                                        me.fireEvent("comment:remove", [commentId]);
                                    }
                                    me.fireEvent("comment:closeEditing");
                                    readdresolves();
                                } else {
                                    if (btn.hasClass("user-reply")) {
                                        me.fireEvent("comment:closeEditing");
                                        record.set("showReply", true);
                                        readdresolves();
                                        this.autoHeightTextBox();
                                        me.hookTextBox();
                                        this.autoScrollToEditButtons();
                                        this.setFocusToTextBox();
                                    } else {
                                        if (btn.hasClass("btn-reply", false)) {
                                            if (showReplyBox) {
                                                me.fireEvent("comment:addReply", [commentId, this.getActiveTextBoxVal()]);
                                                me.fireEvent("comment:closeEditing");
                                                readdresolves();
                                            }
                                        } else {
                                            if (btn.hasClass("btn-close", false)) {
                                                me.fireEvent("comment:closeEditing", [commentId]);
                                                me.renderResolvedComboButtons();
                                            } else {
                                                if (btn.hasClass("btn-inner-edit", false)) {
                                                    if (!_.isUndefined(me.commentsView.reply)) {
                                                        me.fireEvent("comment:changeReply", [commentId, me.commentsView.reply, this.getActiveTextBoxVal()]);
                                                        me.commentsView.reply = undefined;
                                                    } else {
                                                        if (showEditBox) {
                                                            me.fireEvent("comment:change", [commentId, this.getActiveTextBoxVal()]);
                                                        }
                                                    }
                                                    me.fireEvent("comment:closeEditing");
                                                    readdresolves();
                                                } else {
                                                    if (btn.hasClass("btn-inner-close", false)) {
                                                        me.fireEvent("comment:closeEditing");
                                                        me.commentsView.reply = undefined;
                                                        readdresolves();
                                                    } else {
                                                        if (btn.hasClass("btn-resolve", false)) {
                                                            me.fireEvent("comment:resolve", [commentId]);
                                                            readdresolves();
                                                        } else {
                                                            if (!btn.hasClass("msg-reply") && !btn.hasClass("btn-resolve-check") && !btn.hasClass("btn-resolve")) {
                                                                me.fireEvent("comment:show", [commentId, false]);
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    });
                }
            }
            this.update();
            return this;
        },
        update: function () {
            if (this.commentsView && this.commentsView.scroller) {
                this.commentsView.scroller.update({
                    minScrollbarLength: 40
                });
            }
        },
        getPopover: function (sdkViewName) {
            if (_.isUndefined(this.popover)) {
                this.popover = new Common.Views.CommentsPopover({
                    store: this.popoverComments,
                    delegate: this,
                    renderTo: sdkViewName
                });
            }
            return this.popover;
        },
        showEditContainer: function (show) {
            var addCommentLink = $("#comments-add-link-ct", this.el),
            newCommentBlock = $("#comments-new-comment-ct", this.el),
            commentMsgBlock = $("#comments-messages", this.el);
            if (!show) {
                commentMsgBlock.css("bottom", 45);
                addCommentLink.css({
                    display: "table-row"
                });
                newCommentBlock.css({
                    display: "none"
                });
            } else {
                commentMsgBlock.css("bottom", 110);
                addCommentLink.css({
                    display: "none"
                });
                newCommentBlock.css({
                    display: "table-row"
                });
                this.txtComment.val("");
                this.txtComment.focus();
            }
        },
        onClickShowBoxDocumentComment: function () {
            this.fireEvent("comment:closeEditing");
            this.showEditContainer(true);
        },
        onClickAddDocumentComment: function () {
            this.fireEvent("comment:add", [this, this.txtComment.val().trim(), undefined, false, true]);
            this.txtComment.val("");
        },
        onClickCancelDocumentComment: function () {
            this.showEditContainer(false);
        },
        renderResolvedComboButtons: function () {
            if (_.isUndefined(this.openComboBoxes)) {
                this.openComboBoxes = [];
            }
            var me = this,
            i, openCombo, j = this.openComboBoxes.length - 1,
            buttons = $(this.commentsView.el).find(".resolve-ct-check");
            function onSelectResolveComment(comboBox) {
                if ($(comboBox.el).parent() && $(comboBox.el).parent().parent()) {
                    var id = ($(comboBox.el).parent().parent()).attr("id");
                    if (id) {
                        if (arguments[2]) {
                            arguments[2].stopImmediatePropagation();
                        }
                        me.fireEvent("comment:resolve", [undefined, id]);
                        me.renderResolvedComboButtons();
                        if (me.popover) {
                            me.popover.renderResolvedComboButtons();
                        }
                    }
                }
            }
            for (j = this.openComboBoxes.length - 1; j >= 0; --j) {
                this.openComboBoxes[j].off();
                this.openComboBoxes[j].stopListening();
            }
            this.openComboBoxes = [];
            for (i = buttons.length - 1; i >= 0; --i) {
                openCombo = new Common.UI.ComboBox({
                    template: _.template(["<div>", '<div class="resolved"></div>', '<div class="btn-resolve-check dropdown-toggle" data-toggle="dropdown">', this.textResolved, "</div>", '<span class="comments-caret"></span>', '<ul class="dropdown-menu <%= menuCls %>" style="', "<%= menuStyle %>", ' role="menu">', "<% _.each(items, function (item) { %>", '<li id="<%= item.id %>" data-value="<%= item.value %>"><a href="#"><%= scope.getDisplayValue(item) %></a></li>', "<% }); %>", "</ul>", "</div>"].join("")),
                    menuStyle: "min-width: 55px; margin-top: -7px; margin-left: -2px; padding: 0 0; right: 6px; left: auto;",
                    data: [{
                        value: 1,
                        displayValue: this.textOpenAgain
                    }]
                });
                openCombo.render($(buttons[i]));
                openCombo.on("selected", onSelectResolveComment);
                this.openComboBoxes.push(openCombo);
            }
        },
        hookTextBox: function () {
            var me = this,
            textBox = this.commentsView.getTextBox();
            textBox && textBox.keydown(function (event) {
                if ((event.ctrlKey || event.metaKey) && event.keyCode == Common.UI.Keys.RETURN) {
                    var buttonChangeComment = $("#id-comments-change");
                    if (buttonChangeComment && buttonChangeComment.length) {
                        buttonChangeComment.click();
                    }
                    event.stopImmediatePropagation();
                } else {
                    if (event.keyCode === Common.UI.Keys.TAB) {
                        var $this, end, start;
                        start = this.selectionStart;
                        end = this.selectionEnd;
                        $this = $(this);
                        $this.val($this.val().substring(0, start) + "\t" + $this.val().substring(end));
                        this.selectionStart = this.selectionEnd = start + 1;
                        event.stopImmediatePropagation();
                        event.preventDefault();
                    }
                }
            });
        },
        getFixedQuote: function (quote) {
            return Common.Utils.String.ellipsis(Common.Utils.String.htmlEncode(quote), 120, true);
        },
        getUserName: function (username) {
            return Common.Utils.String.ellipsis(Common.Utils.String.htmlEncode(username), 15, true);
        },
        pickLink: function (message) {
            var arr = [],
            offset,
            len;
            message = Common.Utils.String.htmlEncode(message);
            message.replace(Common.Utils.emailStrongRe, function (subStr) {
                offset = arguments[arguments.length - 2];
                arr.push({
                    start: offset,
                    end: subStr.length + offset,
                    str: '<a href="' + subStr + '">' + subStr + "</a>"
                });
                return "";
            });
            message.replace(Common.Utils.ipStrongRe, function (subStr) {
                offset = arguments[arguments.length - 2];
                len = subStr.length;
                var elem = _.find(arr, function (item) {
                    return ((offset >= item.start) && (offset < item.end) || (offset <= item.start) && (offset + len > item.start));
                });
                if (!elem) {
                    arr.push({
                        start: offset,
                        end: len + offset,
                        str: '<a href="' + subStr + '" target="_blank" data-can-copy="true">' + subStr + "</a>"
                    });
                }
                return "";
            });
            message.replace(Common.Utils.hostnameStrongRe, function (subStr) {
                var ref = (!/(((^https?)|(^ftp)):\/\/)/i.test(subStr)) ? ("http://" + subStr) : subStr;
                offset = arguments[arguments.length - 2];
                len = subStr.length;
                var elem = _.find(arr, function (item) {
                    return ((offset >= item.start) && (offset < item.end) || (offset <= item.start) && (offset + len > item.start));
                });
                if (!elem) {
                    arr.push({
                        start: offset,
                        end: len + offset,
                        str: '<a href="' + ref + '" target="_blank" data-can-copy="true">' + subStr + "</a>"
                    });
                }
                return "";
            });
            arr = _.sortBy(arr, function (item) {
                return item.start;
            });
            var str_res = (arr.length > 0) ? (message.substring(0, arr[0].start) + arr[0].str) : message;
            for (var i = 1; i < arr.length; i++) {
                str_res += (message.substring(arr[i - 1].end, arr[i].start) + arr[i].str);
            }
            if (arr.length > 0) {
                str_res += message.substring(arr[i - 1].end, message.length);
            }
            return str_res;
        },
        textComments: "Comments",
        textAnonym: "Guest",
        textAddCommentToDoc: "Add Comment to Document",
        textAddComment: "Add Comment",
        textCancel: "Cancel",
        textAddReply: "Add Reply",
        textReply: "Reply",
        textClose: "Close",
        textResolved: "Resolved",
        textResolve: "Resolve",
        textEnterCommentHint: "Enter your comment here",
        textEdit: "Edit",
        textAdd: "Add",
        textOpenAgain: "Open Again"
    },
    Common.Views.Comments || {}));
});