85 lines
2.4 KiB
JavaScript
85 lines
2.4 KiB
JavaScript
define("dijit/form/_ButtonMixin", [
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"dojo/_base/declare", // declare
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"dojo/dom", // dom.setSelectable
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"dojo/_base/event", // event.stop
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"../registry" // registry.byNode
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], function(declare, dom, event, registry){
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// module:
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// dijit/form/_ButtonMixin
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return declare("dijit.form._ButtonMixin", null, {
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// summary:
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// A mixin to add a thin standard API wrapper to a normal HTML button
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// description:
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// A label should always be specified (through innerHTML) or the label attribute.
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//
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// Attach points:
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//
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// - focusNode (required): this node receives focus
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// - valueNode (optional): this node's value gets submitted with FORM elements
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// - containerNode (optional): this node gets the innerHTML assignment for label
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// example:
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// | <button data-dojo-type="dijit/form/Button" onClick="...">Hello world</button>
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// example:
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// | var button1 = new Button({label: "hello world", onClick: foo});
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// | dojo.body().appendChild(button1.domNode);
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// label: HTML String
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// Content to display in button.
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label: "",
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// type: [const] String
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// Type of button (submit, reset, button, checkbox, radio)
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type: "button",
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_onClick: function(/*Event*/ e){
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// summary:
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// Internal function to handle click actions
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if(this.disabled){
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event.stop(e);
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return false;
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}
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var preventDefault = this.onClick(e) === false; // user click actions
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if(!preventDefault && this.type == "submit" && !(this.valueNode||this.focusNode).form){ // see if a non-form widget needs to be signalled
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for(var node=this.domNode; node.parentNode; node=node.parentNode){
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var widget=registry.byNode(node);
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if(widget && typeof widget._onSubmit == "function"){
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widget._onSubmit(e);
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preventDefault = true;
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break;
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}
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}
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}
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if(preventDefault){
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e.preventDefault();
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}
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return !preventDefault;
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},
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postCreate: function(){
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this.inherited(arguments);
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dom.setSelectable(this.focusNode, false);
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},
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onClick: function(/*Event*/ /*===== e =====*/){
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// summary:
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// Callback for when button is clicked.
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// If type="submit", return true to perform submit, or false to cancel it.
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// type:
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// callback
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return true; // Boolean
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},
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_setLabelAttr: function(/*String*/ content){
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// summary:
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// Hook for set('label', ...) to work.
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// description:
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// Set the label (text) of the button; takes an HTML string.
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this._set("label", content);
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(this.containerNode||this.focusNode).innerHTML = content;
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}
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});
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});
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