init repo

OfficeWeb/3rdparty/touch/src/scroll/indicator/ScrollPosition.js

@@ -0,0 +1,66 @@
+/**
+ * @private
+ */
+Ext.define('Ext.scroll.indicator.ScrollPosition', {
+    extend: 'Ext.scroll.indicator.Abstract',
+
+    config: {
+        cls: 'scrollposition'
+    },
+
+    getElementConfig: function() {
+        var config = this.callParent(arguments);
+
+        config.children.unshift({
+            className: 'x-scroll-bar-stretcher'
+        });
+
+        return config;
+    },
+
+    updateValue: function(value) {
+        if (this.gapLength === 0) {
+            if (value > 1) {
+                value = value - 1;
+            }
+
+            this.setOffset(this.barLength * value);
+        }
+        else {
+            this.setOffset(this.gapLength * value);
+        }
+    },
+
+    updateLength: function() {
+        var scrollOffset = this.barLength,
+            barDom = this.barElement.dom,
+            element = this.element;
+
+        this.callParent(arguments);
+
+        if (this.getAxis() === 'x') {
+            barDom.scrollLeft = scrollOffset;
+            element.setLeft(scrollOffset);
+        }
+        else {
+            barDom.scrollTop = scrollOffset;
+            element.setTop(scrollOffset);
+        }
+    },
+
+    setOffset: function(offset) {
+        var barLength = this.barLength,
+            minLength = this.getMinLength(),
+            barDom = this.barElement.dom;
+
+        offset = Math.min(barLength - minLength, Math.max(offset, minLength - this.getLength()));
+        offset = barLength - offset;
+
+        if (this.getAxis() === 'x') {
+            barDom.scrollLeft = offset;
+        }
+        else {
+            barDom.scrollTop = offset;
+        }
+    }
+});