/*
	Copyright (c) 2004-2008, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/book/dojo-book-0-9/introduction/licensing
*/


if(!dojo._hasResource["dijit.form.Button"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.form.Button"] = true;
dojo.provide("dijit.form.Button");

dojo.require("dijit.form._FormWidget");
dojo.require("dijit._Container");

dojo.declare("dijit.form.Button",
	dijit.form._FormWidget,
	{
	// summary:
	//	Basically the same thing as a normal HTML button, but with special styling.
	//
	// example:
	// |	<button dojoType="dijit.form.Button" onClick="...">Hello world</button>
	// 
	// example:
	// |	var button1 = new dijit.form.Button({label: "hello world", onClick: foo});
	// |	dojo.body().appendChild(button1.domNode);
	//
	// label: String
	//	text to display in button
	label: "",

	// showLabel: Boolean
	//	whether or not to display the text label in button
	showLabel: true,

	// iconClass: String
	//	class to apply to div in button to make it display an icon
	iconClass: "",

	type: "button",
	baseClass: "dijitButton",
	templateString:"<div class=\"dijit dijitReset dijitLeft dijitInline\"\r\n\tdojoAttachEvent=\"onclick:_onButtonClick,onmouseenter:_onMouse,onmouseleave:_onMouse,onmousedown:_onMouse\"\r\n\twaiRole=\"presentation\"\r\n\t><button class=\"dijitReset dijitStretch dijitButtonNode dijitButtonContents\" dojoAttachPoint=\"focusNode,titleNode\"\r\n\t\ttype=\"${type}\" waiRole=\"button\" waiState=\"labelledby-${id}_label\"\r\n\t\t><span class=\"dijitReset dijitInline ${iconClass}\" dojoAttachPoint=\"iconNode\" \r\n \t\t\t><span class=\"dijitReset dijitToggleButtonIconChar\">&#10003;</span \r\n\t\t></span\r\n\t\t><div class=\"dijitReset dijitInline\"><center class=\"dijitReset dijitButtonText\" id=\"${id}_label\" dojoAttachPoint=\"containerNode\">${label}</center></div\r\n\t></button\r\n></div>\r\n",

	_onChangeMonitor: '',
	// TODO: set button's title to this.containerNode.innerText

	_onClick: function(/*Event*/ e){
		// summary: internal function to handle click actions
		if(this.disabled || this.readOnly){
			dojo.stopEvent(e); // needed for checkbox
			return false;
		}
		this._clicked(); // widget click actions
		return this.onClick(e); // user click actions
	},

	_onButtonClick: function(/*Event*/ e){
		// summary: callback when the user mouse clicks the button portion
		if(this._onClick(e) === false){ // returning nothing is same as true
			dojo.stopEvent(e);
		}else if(this.type=="submit" && !this.focusNode.form){ // see if a nonform widget needs to be signalled
			for(var node=this.domNode; node.parentNode/*#5935*/; node=node.parentNode){
				var widget=dijit.byNode(node);
				if(widget && typeof widget._onSubmit == "function"){
					widget._onSubmit(e);
					break;
				}
			}
		}
	},

	postCreate: function(){
		// summary:
		//	get label and set as title on button icon if necessary
		if (this.showLabel == false){
			var labelText = "";
			this.label = this.containerNode.innerHTML;
			labelText = dojo.trim(this.containerNode.innerText || this.containerNode.textContent || '');
			// set title attrib on iconNode
			this.titleNode.title=labelText;
			dojo.addClass(this.containerNode,"dijitDisplayNone");
		}
		dojo.setSelectable(this.focusNode, false);
		this.inherited(arguments);
	},

	onClick: function(/*Event*/ e){
		// summary: user callback for when button is clicked
		//      if type="submit", return true to perform submit
		return true;
	},

	_clicked: function(/*Event*/ e){
		// summary: internal replaceable function for when the button is clicked
	},

	setLabel: function(/*String*/ content){
		// summary: reset the label (text) of the button; takes an HTML string
		this.containerNode.innerHTML = this.label = content;
		this._layoutHack();
		if (this.showLabel == false){
			this.titleNode.title=dojo.trim(this.containerNode.innerText || this.containerNode.textContent || '');
		}
	}		
});


dojo.declare("dijit.form.DropDownButton", [dijit.form.Button, dijit._Container], {
	// summary: A button with a popup
	//
	// example:
	// |	<button dojoType="dijit.form.DropDownButton" label="Hello world">
	// |		<div dojotype="dijit.Menu">...</div>
	// |	</button>
	//
	// example:
	// |	var button1 = new dijit.form.DropDownButton({ label: "hi", dropDown: new dijit.Menu(...) });
	// |	dojo.body().appendChild(button1);
	// 	
	
	baseClass : "dijitDropDownButton",

	templateString:"<div class=\"dijit dijitReset dijitLeft dijitInline\"\r\n\tdojoAttachEvent=\"onmouseenter:_onMouse,onmouseleave:_onMouse,onmousedown:_onMouse,onclick:_onDropDownClick,onkeydown:_onDropDownKeydown,onblur:_onDropDownBlur,onkeypress:_onKey\"\r\n\twaiRole=\"presentation\"\r\n\t><div class='dijitReset dijitRight' waiRole=\"presentation\"\r\n\t><button class=\"dijitReset dijitStretch dijitButtonNode dijitButtonContents\" type=\"${type}\"\r\n\t\tdojoAttachPoint=\"focusNode,titleNode\" waiRole=\"button\" waiState=\"haspopup-true,labelledby-${id}_label\"\r\n\t\t><div class=\"dijitReset dijitInline ${iconClass}\" dojoAttachPoint=\"iconNode\" waiRole=\"presentation\"></div\r\n\t\t><div class=\"dijitReset dijitInline dijitButtonText\"  dojoAttachPoint=\"containerNode,popupStateNode\" waiRole=\"presentation\"\r\n\t\t\tid=\"${id}_label\">${label}</div\r\n\t\t><div class=\"dijitReset dijitInline dijitArrowButtonInner\" waiRole=\"presentation\">&thinsp;</div\r\n\t\t><div class=\"dijitReset dijitInline dijitArrowButtonChar\" waiRole=\"presentation\">&#9660;</div\r\n\t></button\r\n></div></div>\r\n",

	_fillContent: function(){
		// my inner HTML contains both the button contents and a drop down widget, like
		// <DropDownButton>  <span>push me</span>  <Menu> ... </Menu> </DropDownButton>
		// The first node is assumed to be the button content. The widget is the popup.
		if(this.srcNodeRef){ // programatically created buttons might not define srcNodeRef
			//FIXME: figure out how to filter out the widget and use all remaining nodes as button
			//	content, not just nodes[0]
			var nodes = dojo.query("*", this.srcNodeRef);
			dijit.form.DropDownButton.superclass._fillContent.call(this, nodes[0]);

			// save pointer to srcNode so we can grab the drop down widget after it's instantiated
			this.dropDownContainer = this.srcNodeRef;
		}
	},

	startup: function(){
		if(this._started){ return; }

		// the child widget from srcNodeRef is the dropdown widget.  Insert it in the page DOM,
		// make it invisible, and store a reference to pass to the popup code.
		if(!this.dropDown){
			var dropDownNode = dojo.query("[widgetId]", this.dropDownContainer)[0];
			this.dropDown = dijit.byNode(dropDownNode);
			delete this.dropDownContainer;
		}
		dijit.popup.prepare(this.dropDown.domNode);

		this.inherited(arguments);
	},

	destroyDescendants: function(){
		if(this.dropDown){
			this.dropDown.destroyRecursive();
			delete this.dropDown;
		}
		this.inherited(arguments);
	},

	_onArrowClick: function(/*Event*/ e){
		// summary: callback when the user mouse clicks on menu popup node
		if(this.disabled || this.readOnly){ return; }
		this._toggleDropDown();
	},

	_onDropDownClick: function(/*Event*/ e){
		// on Firefox 2 on the Mac it is possible to fire onclick
		// by pressing enter down on a second element and transferring
		// focus to the DropDownButton;
		// we want to prevent opening our menu in this situation
		// and only do so if we have seen a keydown on this button;
		// e.detail != 0 means that we were fired by mouse
		var isMacFFlessThan3 = dojo.isFF && dojo.isFF < 3
			&& navigator.appVersion.indexOf("Macintosh") != -1;
		if(!isMacFFlessThan3 || e.detail != 0 || this._seenKeydown){
			this._onArrowClick(e);
		}
		this._seenKeydown = false;
	},

	_onDropDownKeydown: function(/*Event*/ e){
		this._seenKeydown = true;
	},

	_onDropDownBlur: function(/*Event*/ e){
		this._seenKeydown = false;
	},

	_onKey: function(/*Event*/ e){
		// summary: callback when the user presses a key on menu popup node
		if(this.disabled || this.readOnly){ return; }
		if(e.keyCode == dojo.keys.DOWN_ARROW){
			if(!this.dropDown || this.dropDown.domNode.style.visibility=="hidden"){
				dojo.stopEvent(e);
				this._toggleDropDown();
			}
		}
	},

	_onBlur: function(){
		// summary: called magically when focus has shifted away from this widget and it's dropdown
		this._closeDropDown();
		// don't focus on button.  the user has explicitly focused on something else.
		this.inherited(arguments);
	},

	_toggleDropDown: function(){
		// summary: toggle the drop-down widget; if it is up, close it, if not, open it
		if(this.disabled || this.readOnly){ return; }
		dijit.focus(this.popupStateNode);
		var dropDown = this.dropDown;
		if(!dropDown){ return; }
		if(!this._opened){
			// If there's an href, then load that first, so we don't get a flicker
			if(dropDown.href && !dropDown.isLoaded){
				var self = this;
				var handler = dojo.connect(dropDown, "onLoad", function(){
					dojo.disconnect(handler);
					self._openDropDown();
				});
				dropDown._loadCheck(true);
				return;
			}else{
				this._openDropDown();
			}
		}else{
			this._closeDropDown();
		}
	},

	_openDropDown: function(){
		var dropDown = this.dropDown;
		var oldWidth=dropDown.domNode.style.width;
		var self = this;

		dijit.popup.open({
			parent: this,
			popup: dropDown,
			around: this.domNode,
			orient:
				// TODO: add user-defined positioning option, like in Tooltip.js
				this.isLeftToRight() ? {'BL':'TL', 'BR':'TR', 'TL':'BL', 'TR':'BR'}
				: {'BR':'TR', 'BL':'TL', 'TR':'BR', 'TL':'BL'},
			onExecute: function(){
				self._closeDropDown(true);
			},
			onCancel: function(){
				self._closeDropDown(true);
			},
			onClose: function(){
				dropDown.domNode.style.width = oldWidth;
				self.popupStateNode.removeAttribute("popupActive");
				this._opened = false;
			}
		});
		if(this.domNode.offsetWidth > dropDown.domNode.offsetWidth){
			var adjustNode = null;
			if(!this.isLeftToRight()){
				adjustNode = dropDown.domNode.parentNode;
				var oldRight = adjustNode.offsetLeft + adjustNode.offsetWidth;
			}
			// make menu at least as wide as the button
			dojo.marginBox(dropDown.domNode, {w: this.domNode.offsetWidth});
			if(adjustNode){
				adjustNode.style.left = oldRight - this.domNode.offsetWidth + "px";
			}
		}
		this.popupStateNode.setAttribute("popupActive", "true");
		this._opened=true;
		if(dropDown.focus){
			dropDown.focus();
		}
		// TODO: set this.checked and call setStateClass(), to affect button look while drop down is shown
	},
	
	_closeDropDown: function(/*Boolean*/ focus){
		if(this._opened){
			dijit.popup.close(this.dropDown);
			if(focus){ this.focus(); }
			this._opened = false;			
		}
	}
});

dojo.declare("dijit.form.ComboButton", dijit.form.DropDownButton, {
	// summary: A Normal Button with a DropDown
	//
	// example:
	// |	<button dojoType="dijit.form.ComboButton" onClick="...">
	// |		<span>Hello world</span>
	// |		<div dojoType="dijit.Menu">...</div>
	// |	</button>
	//
	// example:
	// |	var button1 = new dijit.form.ComboButton({label: "hello world", onClick: foo, dropDown: "myMenu"});
	// |	dojo.body().appendChild(button1.domNode);
	// 

	templateString:"<table class='dijit dijitReset dijitInline dijitLeft'\r\n\tcellspacing='0' cellpadding='0' waiRole=\"presentation\"\r\n\t><tbody waiRole=\"presentation\"><tr waiRole=\"presentation\"\r\n\t\t><td\tclass=\"dijitReset dijitStretch dijitButtonContents dijitButtonNode\"\r\n\t\t\ttabIndex=\"${tabIndex}\"\r\n\t\t\tdojoAttachEvent=\"ondijitclick:_onButtonClick,onmouseenter:_onMouse,onmouseleave:_onMouse,onmousedown:_onMouse\"  dojoAttachPoint=\"titleNode\"\r\n\t\t\twaiRole=\"button\" waiState=\"labelledby-${id}_label\"\r\n\t\t\t><div class=\"dijitReset dijitInline ${iconClass}\" dojoAttachPoint=\"iconNode\" waiRole=\"presentation\"></div\r\n\t\t\t><div class=\"dijitReset dijitInline dijitButtonText\" id=\"${id}_label\" dojoAttachPoint=\"containerNode\" waiRole=\"presentation\">${label}</div\r\n\t\t></td\r\n\t\t><td class='dijitReset dijitStretch dijitButtonNode dijitArrowButton dijitDownArrowButton'\r\n\t\t\tdojoAttachPoint=\"popupStateNode,focusNode\"\r\n\t\t\tdojoAttachEvent=\"ondijitclick:_onArrowClick, onkeypress:_onKey,onmouseenter:_onMouse,onmouseleave:_onMouse\"\r\n\t\t\tstateModifier=\"DownArrow\"\r\n\t\t\ttitle=\"${optionsTitle}\" name=\"${name}\"\r\n\t\t\twaiRole=\"button\" waiState=\"haspopup-true\"\r\n\t\t\t><div class=\"dijitReset dijitArrowButtonInner\" waiRole=\"presentation\">&thinsp;</div\r\n\t\t\t><div class=\"dijitReset dijitArrowButtonChar\" waiRole=\"presentation\">&#9660;</div\r\n\t\t></td\r\n\t></tr></tbody\r\n></table>\r\n",

	attributeMap: dojo.mixin(dojo.clone(dijit.form._FormWidget.prototype.attributeMap),
		{id:"", name:""}),

	// optionsTitle: String
	//  text that describes the options menu (accessibility)
	optionsTitle: "",

	baseClass: "dijitComboButton",

	_focusedNode: null,

	postCreate: function(){
		this.inherited(arguments);
		this._focalNodes = [this.titleNode, this.popupStateNode];
		dojo.forEach(this._focalNodes, dojo.hitch(this, function(node){
			if(dojo.isIE){
				this.connect(node, "onactivate", this._onNodeFocus);
				this.connect(node, "ondeactivate", this._onNodeBlur);
			}else{
				this.connect(node, "onfocus", this._onNodeFocus);
				this.connect(node, "onblur", this._onNodeBlur);
			}
		}));
	},

	focusFocalNode: function(node){
		// summary: Focus the focal node node.
		this._focusedNode = node;
		dijit.focus(node);
	},

	hasNextFocalNode: function(){
		// summary: Returns true if this widget has no node currently
		//		focused or if there is a node following the focused one.
		//		False is returned if the last node has focus.
		return this._focusedNode !== this.getFocalNodes()[1];
	},

	focusNext: function(){
		// summary: Focus the focal node following the current node with focus
		//		or the first one if no node currently has focus.
		this._focusedNode = this.getFocalNodes()[this._focusedNode ? 1 : 0];
		dijit.focus(this._focusedNode);
	},

	hasPrevFocalNode: function(){
		// summary: Returns true if this widget has no node currently
		//		focused or if there is a node before the focused one.
		//		False is returned if the first node has focus.
		return this._focusedNode !== this.getFocalNodes()[0];
	},

	focusPrev: function(){
		// summary: Focus the focal node before the current node with focus
		//		or the last one if no node currently has focus.
		this._focusedNode = this.getFocalNodes()[this._focusedNode ? 0 : 1];
		dijit.focus(this._focusedNode);
	},

	getFocalNodes: function(){
		// summary: Returns an array of focal nodes for this widget.
		return this._focalNodes;
	},

	_onNodeFocus: function(evt){
		this._focusedNode = evt.currentTarget;
		var fnc = this._focusedNode == this.focusNode ? "dijitDownArrowButtonFocused" : "dijitButtonContentsFocused";
		dojo.addClass(this._focusedNode, fnc);
	},

	_onNodeBlur: function(evt){
		var fnc = evt.currentTarget == this.focusNode ? "dijitDownArrowButtonFocused" : "dijitButtonContentsFocused";
		dojo.removeClass(evt.currentTarget, fnc);
	},

	_onBlur: function(){
		this.inherited(arguments);
		this._focusedNode = null;
	}
});

dojo.declare("dijit.form.ToggleButton", dijit.form.Button, {
	// summary:
	//	A button that can be in two states (checked or not).
	//	Can be base class for things like tabs or checkbox or radio buttons

	baseClass: "dijitToggleButton",

	// checked: Boolean
	//		Corresponds to the native HTML <input> element's attribute.
	//		In markup, specified as "checked='checked'" or just "checked".
	//		True if the button is depressed, or the checkbox is checked,
	//		or the radio button is selected, etc.
	checked: false,

	_onChangeMonitor: 'checked',

	attributeMap: dojo.mixin(dojo.clone(dijit.form.Button.prototype.attributeMap),
		{checked:"focusNode"}),

	_clicked: function(/*Event*/ evt){
		this.setAttribute('checked', !this.checked);
	},

	setAttribute: function(/*String*/ attr, /*anything*/ value){
		this.inherited(arguments);
		switch(attr){
			case "checked":
				dijit.setWaiState(this.focusNode || this.domNode, "pressed", this.checked);
				this._setStateClass();		
				this._handleOnChange(this.checked, true);
		}
	},


	setChecked: function(/*Boolean*/ checked){
		// summary:
		//	Programatically deselect the button
		dojo.deprecated("setChecked("+checked+") is deprecated. Use setAttribute('checked',"+checked+") instead.", "", "2.0");
		this.setAttribute('checked', checked);
	},
	
	postCreate: function(){
		this.inherited(arguments);
		this.setAttribute('checked', this.checked); //to initially set wai pressed state 
	}
});

}
