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RadioGroup.js
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RadioGroup.js
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if(!dojo._hasResource["dojox.layout.RadioGroup"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.layout.RadioGroup"] = true;
dojo.provide("dojox.layout.RadioGroup");
dojo.experimental("dojox.layout.RadioGroup");
//
// dojox.layout.RadioGroup - an experimental (probably poorly named) Layout widget extending StackContainer
// that accepts ContentPanes as children, and applies aesthetically pleasing responsive transition animations
// attached to :hover of the Buttons created.
//
// FIXME: take the Buttons out of the root template, and allow layoutAlign or similar attrib to use a different
// template, or build the template dynamically?
//
dojo.require("dijit._Widget");
dojo.require("dijit._Templated");
dojo.require("dijit._Container");
dojo.require("dijit.layout.StackContainer");
dojo.require("dojox.fx.easing");
dojo.declare("dojox.layout.RadioGroup",
[dijit.layout.StackContainer,dijit._Templated],
{
// summary: A Container that turns its Layout Children into a single Pane and transitions between states
// onHover of the button
//
// duration: Int
// used for Fade and Slide RadioGroup's, the duration to run the transition animation. does not affect anything
// in default RadioGroup
duration: 750,
// hasButtons: Boolean
// toggles internal button making on or off
hasButtons: true,
// templateString: String
// the template for our container
templateString: '<div class="dojoxRadioGroup">'
+' <div dojoAttachPoint="buttonHolder" style="display:none;">'
+' <table class="dojoxRadioButtons"><tbody><tr class="dojoxRadioButtonRow" dojoAttachPoint="buttonNode"></tr></tbody></table>'
+' </div>'
+' <div class="dojoxRadioView" dojoAttachPoint="containerNode"></div>'
+'</div>',
startup: function(){
// summary: scan the container for children, and make "tab buttons" for them
this.inherited("startup",arguments);
this._children = this.getChildren();
this._buttons = this._children.length;
this._size = dojo.coords(this.containerNode);
if(this.hasButtons){
dojo.style(this.buttonHolder,"display","block");
dojo.forEach(this._children,this._makeButton,this);
}
},
// private:
_makeButton: function(/* DomNode */n){
// summary: creates a hover button for a child node of the RadioGroup
dojo.style(n.domNode,"position","absolute");
var tmp = document.createElement('td');
this.buttonNode.appendChild(tmp);
var tmpt = tmp.appendChild(document.createElement('div'));
var tmpw = new dojox.layout._RadioButton({
label: n.title,
page: n
},tmpt);
tmpw.startup();
},
// FIXME: shouldn't have to rewriting these, need to take styling out of _showChild and _hideChild
// and use classes on the domNode in _transition or something similar (in StackContainer)
_transition: function(/*Widget*/newWidget, /*Widget*/oldWidget){
// summary: called when StackContainer receives a selectChild call, used to transition the panes.
this._showChild(newWidget);
if(oldWidget){
this._hideChild(oldWidget);
}
// Size the new widget, in case this is the first time it's being shown,
// or I have been resized since the last time it was shown.
// page must be visible for resizing to work
if(this.doLayout && newWidget.resize){
newWidget.resize(this._containerContentBox || this._contentBox);
}
},
_showChild: function(/*Widget*/ page){
// summary: show the selected child widget
var children = this.getChildren();
page.isFirstChild = (page == children[0]);
page.isLastChild = (page == children[children.length-1]);
page.selected = true;
page.domNode.style.display="";
if(page._loadCheck){
page._loadCheck(); // trigger load in ContentPane
}
if(page.onShow){
page.onShow();
}
},
_hideChild: function(/*Widget*/ page){
// summary: hide the specified child widget
page.selected=false;
page.domNode.style.display="none";
if(page.onHide){
page.onHide();
}
}
});
dojo.declare("dojox.layout.RadioGroupFade",
dojox.layout.RadioGroup,
{
// summary: An extension on a stock RadioGroup, that fades the panes.
_hideChild: function(page){
// summary: hide the specified child widget
dojo.fadeOut({
node:page.domNode,
duration:this.duration,
onEnd: this.inherited("_hideChild",arguments)
}).play();
},
_showChild: function(page){
// summary: show the specified child widget
this.inherited("_showChild",arguments);
dojo.style(page.domNode,"opacity",0);
dojo.fadeIn({
node:page.domNode,
duration:this.duration
}).play();
}
});
dojo.declare("dojox.layout.RadioGroupSlide",
dojox.layout.RadioGroup,
{
// summary: A Sliding Radio Group
// description:
// An extension on a stock RadioGroup widget, sliding the pane
// into view from being hidden. The entry direction is randomized
// on each view
//
// easing: dojo._Animation.easing
// A hook to override the default easing of the pane slides.
easing: dojox.fx.easing.easeOut,
startup: function(){
// summary: on startup, set each of the panes off-screen (_showChild is called later)
this.inherited("startup",arguments);
dojo.forEach(this._children,this._positionChild,this);
},
_positionChild: function(page){
// summary: randomly set the child out of view
// description:
var rA = Math.round(Math.random());
var rB = Math.round(Math.random());
dojo.style(page.domNode, rA? "top" : "left", (rB ? "-" : "") + this._size[rA?"h":"w"]+"px");
},
_showChild: function(page){
// summary: Slide in the selected child widget
this.inherited("_showChild",arguments);
if(this._anim && this._anim.status()=="playing"){
this._anim.gotoPercent(100,true);
}
this._anim = dojo.animateProperty({
node:page.domNode,
properties: {
// take a performance hit determinging one of these doesn't get modified
// but it's better this way than an extra call to mixin in think?
left: { end:0, unit:"px" },
top: { end:0, unit:"px" }
},
duration:this.duration,
easing:this.easing
});
this._anim.play();
},
_hideChild: function(page){
// summary: reset the position of the hidden pane out of sight
this.inherited("_hideChild",arguments);
this._positionChild(page);
}
});
dojo.declare("dojox.layout._RadioButton",
[dijit._Widget,dijit._Templated,dijit._Contained],
{
// summary: The Buttons for a RadioGroup
//
// description: A private widget used to manipulate the StackContainer (RadioGroup*). Don't create directly.
//
// label: String
// the Text Label of the button
label: "",
// domNode to tell parent to select
page: null,
templateString: '<div dojoAttachPoint="focusNode" class="dojoxRadioButton"><span dojoAttachPoint="titleNode" class="dojoxRadioButtonLabel">${label}</span></div>',
startup: function(){
// summary: start listening to mouseOver
this.connect(this.domNode,"onmouseover","_onMouse");
},
_onMouse: function(/* Event */e){
// summary: set the selected child on hover, and set our hover state class
this.getParent().selectChild(this.page);
this._clearSelected();
dojo.addClass(this.domNode,"dojoxRadioButtonSelected");
},
_clearSelected: function(){
// summary: remove hover state class from sibling Buttons. This is easier (and more reliable)
// than setting up an additional connection to onMouseOut
// FIXME: this relies on the template being [div][span]node[/span][/div]
dojo.query(".dojoxRadioButtonSelected",this.domNode.parentNode.parentNode).forEach(function(n){
dojo.removeClass(n,"dojoxRadioButtonSelected");
});
}
});
}

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RadioGroup.js (7 KB)

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