New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 90 insertions, 0 deletions

diff --git a/includes/js/dojox/widget/Rating.js b/includes/js/dojox/widget/Rating.js
new file mode 100644
index 0000000..8f12d62
--- /dev/null
+++ b/includes/js/dojox/widget/Rating.js
@@ -0,0 +1,90 @@
+if(!dojo._hasResource["dojox.widget.Rating"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.widget.Rating"] = true;
+dojo.provide("dojox.widget.Rating");
+
+dojo.require("dijit.form._FormWidget");
+
+dojo.declare("dojox.widget.Rating",
+	dijit.form._FormWidget,{
+	// summary:
+	//		A widget for rating using stars.
+	//
+	// required: Boolean
+	//		TODO: Can be true or false, default is false.
+	// required: false,
+
+	templateString: null,
+	
+	// numStars: Integer
+	//		The number of stars to show, default is 3.
+	numStars: 3,
+	// value: Integer
+	//		The current value of the Rating
+	value: 0,
+
+	constructor:function(params){
+		// Build the templateString. The number of stars is given by this.numStars,
+		// which is normally an attribute to the widget node.
+		dojo.mixin(this, params);
+		
+		// TODO actually "dijitInline" should be applied to the surrounding div, but FF2
+		// screws up when we dojo.query() for the star nodes, it orders them randomly, because of the use
+		// of display:--moz-inline-box ... very strange bug
+		// Since using ul and li in combintaion with dijitInline this problem doesnt exist anymore.
+		
+		// The focusNode is normally used to store the value, i dont know if that is right here, but seems standard for _FormWidgets
+		var tpl = '<div dojoAttachPoint="domNode" class="dojoxRating dijitInline">' +
+					'<input type="hidden" value="0" dojoAttachPoint="focusNode" /><ul>${stars}</ul>' +
+				'</div>';
+		// the value-attribute is used to "read" the value for processing in the widget class -->
+		var starTpl = '<li class="dojoxRatingStar dijitInline" dojoAttachEvent="onclick:onStarClick,onmouseover:_onMouse,onmouseout:_onMouse" value="${value}"></li>';
+		var rendered = "";
+		for(var i = 0; i < this.numStars; i++){
+			rendered += dojo.string.substitute(starTpl, {value:i+1});
+		}
+		this.templateString = dojo.string.substitute(tpl, {stars:rendered});
+	},
+
+	postCreate: function(){
+		this.inherited(arguments);
+		this._renderStars(this.value);
+	},
+
+	_onMouse: function(evt){
+		this.inherited(arguments);
+		if(this._hovering){
+			var hoverValue = +dojo.attr(evt.target, "value");
+			this.onMouseOver(evt, hoverValue);
+			this._renderStars(hoverValue, true);
+		}else{
+			this._renderStars(this.value);
+		}
+	},
+
+	_renderStars: function(value, hover){
+		// summary: Render the stars depending on the value.
+		dojo.query(".dojoxRatingStar", this.domNode).forEach(function(star, i){
+			if(i + 1 > value){
+				dojo.removeClass(star, "dojoxRatingStarHover");
+				dojo.removeClass(star, "dojoxRatingStarChecked");
+			}else{
+				dojo.removeClass(star, "dojoxRatingStar" + (hover ? "Checked" : "Hover"));
+				dojo.addClass(star, "dojoxRatingStar" + (hover ? "Hover" : "Checked"));
+			}
+		});
+	},
+
+	onStarClick:function(/* Event */evt){
+// TODOC: needs summary
+		var newVal = +dojo.attr(evt.target, "value");
+		this.setAttribute("value", newVal == this.value ? 0 : newVal);
+		this._renderStars(this.value);
+		this.onChange(this.value); // Do I have to call this by hand?
+	},
+	
+	onMouseOver: function(/*evt, value*/){
+		// summary: connect here if you like to, the value is passed to this function as the second parameter!
+	}
+});
+
+}