1 <html><head><title>Roo/ScrollPanel.js</title><link rel="stylesheet" type="text/css" href="../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty">
2 <span class="jsdoc-var">Roo.ScrollPanel </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">el</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">content</span><span class="jsdoc-syntax">){
3 </span><span class="jsdoc-var">config </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">config </span><span class="jsdoc-syntax">|| {};
4 </span><span class="jsdoc-var">config.fitToFrame </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">;
5 </span><span class="jsdoc-var">Roo.ScrollPanel.superclass.constructor.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">el</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">content</span><span class="jsdoc-syntax">);
7 </span><span class="jsdoc-var">this.el.dom.style.overflow </span><span class="jsdoc-syntax">= </span><span class="jsdoc-string">"hidden"</span><span class="jsdoc-syntax">;
8 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">wrap </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.wrap</span><span class="jsdoc-syntax">({</span><span class="jsdoc-var">cls</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"x-scroller x-layout-inactive-content"</span><span class="jsdoc-syntax">});
9 </span><span class="jsdoc-var">this.el.removeClass</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"x-layout-inactive-content"</span><span class="jsdoc-syntax">);
10 </span><span class="jsdoc-var">this.el.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"mousewheel"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.onWheel</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
12 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">up </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">wrap.createChild</span><span class="jsdoc-syntax">({</span><span class="jsdoc-var">cls</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"x-scroller-up"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">html</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"&#160;"</span><span class="jsdoc-syntax">}, </span><span class="jsdoc-var">this.el.dom</span><span class="jsdoc-syntax">);
13 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">down </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">wrap.createChild</span><span class="jsdoc-syntax">({</span><span class="jsdoc-var">cls</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"x-scroller-down"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">html</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"&#160;"</span><span class="jsdoc-syntax">});
14 </span><span class="jsdoc-var">up.unselectable</span><span class="jsdoc-syntax">(); </span><span class="jsdoc-var">down.unselectable</span><span class="jsdoc-syntax">();
15 </span><span class="jsdoc-var">up.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"click"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.scrollUp</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
16 </span><span class="jsdoc-var">down.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"click"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.scrollDown</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
17 </span><span class="jsdoc-var">up.addClassOnOver</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"x-scroller-btn-over"</span><span class="jsdoc-syntax">);
18 </span><span class="jsdoc-var">down.addClassOnOver</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"x-scroller-btn-over"</span><span class="jsdoc-syntax">);
19 </span><span class="jsdoc-var">up.addClassOnClick</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"x-scroller-btn-click"</span><span class="jsdoc-syntax">);
20 </span><span class="jsdoc-var">down.addClassOnClick</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"x-scroller-btn-click"</span><span class="jsdoc-syntax">);
21 </span><span class="jsdoc-var">this.adjustments </span><span class="jsdoc-syntax">= [0, -(</span><span class="jsdoc-var">up.getHeight</span><span class="jsdoc-syntax">() + </span><span class="jsdoc-var">down.getHeight</span><span class="jsdoc-syntax">())];
23 </span><span class="jsdoc-var">this.resizeEl </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el</span><span class="jsdoc-syntax">;
24 </span><span class="jsdoc-var">this.el </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">wrap</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">this.up </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">up</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">this.down </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">down</span><span class="jsdoc-syntax">;
27 </span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.ScrollPanel</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.ContentPanel</span><span class="jsdoc-syntax">, {
28 </span><span class="jsdoc-var">increment </span><span class="jsdoc-syntax">: 100,
29 </span><span class="jsdoc-var">wheelIncrement </span><span class="jsdoc-syntax">: 5,
30 </span><span class="jsdoc-var">scrollUp </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
31 </span><span class="jsdoc-var">this.resizeEl.scroll</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"up"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.increment</span><span class="jsdoc-syntax">, {</span><span class="jsdoc-var">callback</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.afterScroll</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">scope</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">});
34 </span><span class="jsdoc-var">scrollDown </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
35 </span><span class="jsdoc-var">this.resizeEl.scroll</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">"down"</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.increment</span><span class="jsdoc-syntax">, {</span><span class="jsdoc-var">callback</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.afterScroll</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">scope</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">});
38 </span><span class="jsdoc-var">afterScroll </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
39 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">el </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.resizeEl</span><span class="jsdoc-syntax">;
40 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">t </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">el.dom.scrollTop</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">h </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">el.dom.scrollHeight</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">el.dom.clientHeight</span><span class="jsdoc-syntax">;
41 </span><span class="jsdoc-var">this.up</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">t </span><span class="jsdoc-syntax">== 0 ? </span><span class="jsdoc-string">"addClass" </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"removeClass"</span><span class="jsdoc-syntax">](</span><span class="jsdoc-string">"x-scroller-btn-disabled"</span><span class="jsdoc-syntax">);
42 </span><span class="jsdoc-var">this.down</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">h </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">t </span><span class="jsdoc-syntax"><= </span><span class="jsdoc-var">ch </span><span class="jsdoc-syntax">? </span><span class="jsdoc-string">"addClass" </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">"removeClass"</span><span class="jsdoc-syntax">](</span><span class="jsdoc-string">"x-scroller-btn-disabled"</span><span class="jsdoc-syntax">);
45 </span><span class="jsdoc-var">setSize </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
46 </span><span class="jsdoc-var">Roo.ScrollPanel.superclass.setSize.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">arguments</span><span class="jsdoc-syntax">);
47 </span><span class="jsdoc-var">this.afterScroll</span><span class="jsdoc-syntax">();
50 </span><span class="jsdoc-var">onWheel </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">){
51 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">d </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">e.getWheelDelta</span><span class="jsdoc-syntax">();
52 </span><span class="jsdoc-var">this.resizeEl.dom.scrollTop </span><span class="jsdoc-syntax">-= (</span><span class="jsdoc-var">d</span><span class="jsdoc-syntax">*</span><span class="jsdoc-var">this.wheelIncrement</span><span class="jsdoc-syntax">);
53 </span><span class="jsdoc-var">this.afterScroll</span><span class="jsdoc-syntax">();
54 </span><span class="jsdoc-var">e.stopEvent</span><span class="jsdoc-syntax">();
57 </span><span class="jsdoc-var">setContent </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">content</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">loadScripts</span><span class="jsdoc-syntax">){
58 </span><span class="jsdoc-var">this.resizeEl.update</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">content</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">loadScripts</span><span class="jsdoc-syntax">);
62 </span></code></body></html>