summaryrefslogtreecommitdiff
path: root/includes/js/dojox/layout/ScrollPane.js
diff options
context:
space:
mode:
Diffstat (limited to 'includes/js/dojox/layout/ScrollPane.js')
-rw-r--r--includes/js/dojox/layout/ScrollPane.js114
1 files changed, 114 insertions, 0 deletions
diff --git a/includes/js/dojox/layout/ScrollPane.js b/includes/js/dojox/layout/ScrollPane.js
new file mode 100644
index 0000000..5ae29bc
--- /dev/null
+++ b/includes/js/dojox/layout/ScrollPane.js
@@ -0,0 +1,114 @@
+if(!dojo._hasResource["dojox.layout.ScrollPane"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.layout.ScrollPane"] = true;
+dojo.provide("dojox.layout.ScrollPane");
+dojo.experimental("dojox.layout.ScrollPane");
+
+dojo.require("dijit.layout._LayoutWidget");
+dojo.require("dijit._Templated");
+
+dojo.declare("dojox.layout.ScrollPane",
+ [dijit.layout._LayoutWidget,dijit._Templated],
+ {
+ // summary: A pane that "scrolls" its content based on the mouse poisition inside
+ //
+ // description:
+ // A sizable container that takes it's content's natural size and creates
+ // a scroll effect based on the relative mouse position. It is an interesting
+ // way to display lists of data, or blocks of content, within a confined
+ // space.
+ //
+ // Horizontal scrolling is supported. Combination scrolling is not.
+ //
+ // FIXME: need to adust the _line somehow, it stops scrolling
+ //
+ // example:
+ // | <div dojoType="dojox.layout.ScrollPane" style="width:150px height:300px;">
+ // | <!-- any height content -->
+ // | </div>
+ //
+ // _line: dojo._Line
+ // storage for our top and bottom most scrollpoints
+ _line: null,
+
+ // _lo: the height of the visible pane
+ _lo: null,
+
+ _offset: 15,
+
+ // orientation: String
+ // either "horizontal" or "vertical" for scroll orientation.
+ orientation: "vertical",
+
+ templateString:"<div class=\"dojoxScrollWindow\" dojoAttachEvent=\"onmouseenter: _enter, onmouseleave: _leave\">\n <div class=\"dojoxScrollWrapper\" style=\"${style}\" dojoAttachPoint=\"wrapper\" dojoAttachEvent=\"onmousemove: _calc\">\n\t<div class=\"dojoxScrollPane\" dojoAttachPoint=\"containerNode\"></div>\n </div>\n <div dojoAttachPoint=\"helper\" class=\"dojoxScrollHelper\"><span class=\"helperInner\">|</span></div>\n</div>\n",
+
+ layout: function(){
+ // summary: calculates required sizes. call this if we add/remove content manually, or reload the content.
+
+ dojo.style(this.wrapper,this._dir,this.domNode.style[this._dir]);
+ this._lo = dojo.coords(this.wrapper,true);
+ this._size = Math.max(0,(this._vertical ?
+ (this.containerNode.scrollHeight - this._lo.h) :
+ (this.containerNode.scrollWidth - this._lo.w)
+ ));
+ this._line = new dojo._Line(0-this._offset,this._size+(this._offset*2));
+
+ // share a relative position w the scroll offset via a line
+ var u = this._lo[(this._vertical?"h":"w")]
+ var size = u * (u / Math.max(1,this._size));
+ var center = Math.floor(u - size);
+ this._helpLine = new dojo._Line(0,center);
+
+ // size the helper
+ dojo.style(this.helper,this._dir,Math.floor(size)+"px");
+
+ },
+
+ postCreate: function(){
+ this.inherited(arguments);
+
+ // for the helper
+ this._showAnim = dojo._fade({ node:this.helper, end:0.5, duration:350 });
+ this._hideAnim = dojo.fadeOut({ node:this.helper, duration: 750 });
+
+ // orientation helper
+ this._vertical = (this.orientation == "vertical");
+ if(!this._vertical){
+ dojo.addClass(this.containerNode,"dijitInline");
+ this._edge = "left";
+ this._dir = "width";
+ }else{
+ this._dir = "height";
+ this._edge = "top";
+ }
+
+ this._hideAnim.play();
+ dojo.style(this.wrapper,"overflow","hidden");
+
+ },
+
+ _set: function(/* Float */n){
+ // summary: set the pane's scroll offset, and position the virtual scroll helper
+ this.wrapper[(this._vertical ? "scrollTop" : "scrollLeft")] = Math.floor(this._line.getValue(n));
+ dojo.style(this.helper,this._edge,Math.floor(this._helpLine.getValue(n))+"px");
+ },
+
+ _calc: function(/* Event */e){
+ // summary: calculate the relative offset of the cursor over the node, and call _set
+ this._set(this._vertical ?
+ ((e.pageY-(this._lo.y))/this._lo.h) :
+ ((e.pageX-(this._lo.x))/this._lo.w)
+ );
+ },
+
+ _enter: function(e){
+ if(this._hideAnim && this._hideAnim.status()=="playing"){ this._hideAnim.stop(); }
+ this._showAnim.play();
+ },
+
+ _leave: function(e){
+ this._hideAnim.play();
+ }
+
+});
+
+}