141 lines
4.3 KiB
JavaScript
141 lines
4.3 KiB
JavaScript
//>>built
|
|
define("dojox/mobile/ScrollableView", [
|
|
"dojo/_base/array",
|
|
"dojo/_base/declare",
|
|
"dojo/dom-class",
|
|
"dojo/dom-construct",
|
|
"dijit/registry", // registry.byNode
|
|
"./View",
|
|
"./_ScrollableMixin"
|
|
], function(array, declare, domClass, domConstruct, registry, View, ScrollableMixin){
|
|
|
|
/*=====
|
|
var View = dojox.mobile.View;
|
|
var ScrollableMixin = dojox.mobile._ScrollableMixin;
|
|
=====*/
|
|
|
|
// module:
|
|
// dojox/mobile/ScrollableView
|
|
// summary:
|
|
// A container that has a touch scrolling capability.
|
|
|
|
return declare("dojox.mobile.ScrollableView", [View, ScrollableMixin], {
|
|
// summary:
|
|
// A container that has a touch scrolling capability.
|
|
// description:
|
|
// ScrollableView is a subclass of View (=dojox.mobile.View).
|
|
// Unlike the base View class, ScrollableView's domNode always stays
|
|
// at the top of the screen and its height is "100%" of the screen.
|
|
// In this fixed domNode, containerNode scrolls. Browser's default
|
|
// scrolling behavior is disabled, and the scrolling machinery is
|
|
// re-implemented with JavaScript. Thus the user does not need to use the
|
|
// two-finger operation to scroll an inner DIV (containerNode).
|
|
// The main purpose of this widget is to realize fixed-positioned header
|
|
// and/or footer bars.
|
|
|
|
// scrollableParams: Object
|
|
// Parameters for dojox.mobile.scrollable.init().
|
|
scrollableParams: null,
|
|
|
|
// keepScrollPos: Boolean
|
|
// Overrides dojox.mobile.View.keepScrollPos.
|
|
keepScrollPos: false,
|
|
|
|
constructor: function(){
|
|
this.scrollableParams = {noResize: true};
|
|
},
|
|
|
|
buildRendering: function(){
|
|
this.inherited(arguments);
|
|
domClass.add(this.domNode, "mblScrollableView");
|
|
this.domNode.style.overflow = "hidden";
|
|
this.domNode.style.top = "0px";
|
|
this.containerNode = domConstruct.create("DIV",
|
|
{className:"mblScrollableViewContainer"}, this.domNode);
|
|
this.containerNode.style.position = "absolute";
|
|
this.containerNode.style.top = "0px"; // view bar is relative
|
|
if(this.scrollDir === "v"){
|
|
this.containerNode.style.width = "100%";
|
|
}
|
|
this.reparent();
|
|
this.findAppBars();
|
|
},
|
|
|
|
resize: function(){
|
|
// summary:
|
|
// Calls resize() of each child widget.
|
|
this.inherited(arguments); // scrollable#resize() will be called
|
|
array.forEach(this.getChildren(), function(child){
|
|
if(child.resize){ child.resize(); }
|
|
});
|
|
},
|
|
|
|
isTopLevel: function(e){
|
|
// summary:
|
|
// Returns true if this is a top-level widget.
|
|
// Overrides dojox.mobile.scrollable.
|
|
var parent = this.getParent && this.getParent();
|
|
return (!parent || !parent.resize); // top level widget
|
|
},
|
|
|
|
addChild: function(widget, /*Number?*/insertIndex){
|
|
var c = widget.domNode;
|
|
var fixed = this.checkFixedBar(c, true);
|
|
if(fixed){
|
|
// Addition of a fixed bar is an exceptional case.
|
|
// It has to be added to domNode, not containerNode.
|
|
// In this case, insertIndex is ignored.
|
|
this.domNode.appendChild(c);
|
|
if(fixed === "top"){
|
|
this.fixedHeaderHeight = c.offsetHeight;
|
|
this.isLocalHeader = true;
|
|
}else if(fixed === "bottom"){
|
|
this.fixedFooterHeight = c.offsetHeight;
|
|
this.isLocalFooter = true;
|
|
c.style.bottom = "0px";
|
|
}
|
|
this.resize();
|
|
if(this._started && !widget._started){
|
|
widget.startup();
|
|
}
|
|
}else{
|
|
this.inherited(arguments);
|
|
}
|
|
},
|
|
|
|
reparent: function(){
|
|
// summary:
|
|
// Moves all the children, except header and footer, to
|
|
// containerNode.
|
|
var i, idx, len, c;
|
|
for(i = 0, idx = 0, len = this.domNode.childNodes.length; i < len; i++){
|
|
c = this.domNode.childNodes[idx];
|
|
// search for view-specific header or footer
|
|
if(c === this.containerNode || this.checkFixedBar(c, true)){
|
|
idx++;
|
|
continue;
|
|
}
|
|
this.containerNode.appendChild(this.domNode.removeChild(c));
|
|
}
|
|
},
|
|
|
|
onAfterTransitionIn: function(moveTo, dir, transition, context, method){
|
|
this.flashScrollBar();
|
|
},
|
|
|
|
getChildren: function(){
|
|
// summary:
|
|
// Overrides _WidgetBase#getChildren to add local fixed bars,
|
|
// which are not under containerNode, to the children array.
|
|
var children = this.inherited(arguments);
|
|
if(this.fixedHeader && this.fixedHeader.parentNode === this.domNode){
|
|
children.push(registry.byNode(this.fixedHeader));
|
|
}
|
|
if(this.fixedFooter && this.fixedFooter.parentNode === this.domNode){
|
|
children.push(registry.byNode(this.fixedFooter));
|
|
}
|
|
return children;
|
|
}
|
|
});
|
|
});
|