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124 lines
3.2 KiB
JavaScript
124 lines
3.2 KiB
JavaScript
dojo.provide("dojox.form.BusyButton");
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dojo.require("dijit.form.Button");
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dojo.requireLocalization("dijit", "loading");
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dojo.declare("dojox.form._BusyButtonMixin",
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null,
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{
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isBusy: false,
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busyLabel: "", // text while button is busy
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timeout: null, // timeout, should be controlled by xhr call
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useIcon: true, // use a busy icon
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postMixInProperties: function(){
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this.inherited(arguments);
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if(!this.busyLabel){
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this.busyLabel = dojo.i18n.getLocalization("dijit", "loading", this.lang).loadingState;
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}
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},
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postCreate: function(){
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// summary:
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// stores initial label and timeout for reference
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this._label = this.containerNode.innerHTML;
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this._initTimeout = this.timeout;
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// for initial busy buttons
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if(this.isBusy){
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this.makeBusy();
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}
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},
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makeBusy: function(){
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// summary:
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// sets state from idle to busy
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this.isBusy = true;
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this.attr("disabled", true);
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this.setLabel(this.busyLabel, this.timeout);
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},
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cancel: function(){
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// summary:
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// if no timeout is set or for other reason the user can put the button back
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// to being idle
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this.attr("disabled", false);
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this.isBusy = false;
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this.setLabel(this._label);
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if(this._timeout){ clearTimeout(this._timeout); }
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this.timeout = this._initTimeout;
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},
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resetTimeout: function(/*Int*/ timeout){
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// summary:
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// to reset existing timeout and setting a new timeout
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if(this._timeout){
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clearTimeout(this._timeout);
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}
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// new timeout
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if(timeout){
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this._timeout = setTimeout(dojo.hitch(this, function(){
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this.cancel();
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}), timeout);
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}else if(timeout == undefined || timeout === 0){
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this.cancel();
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}
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},
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setLabel: function(/*String*/ content, /*Int*/ timeout){
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// summary:
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// setting a label and optional timeout of the labels state
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// this.inherited(arguments); FIXME: throws an Unknown runtime error
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// Begin IE hack
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// summary: reset the label (text) of the button; takes an HTML string
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this.label = content;
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// remove children
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while (this.containerNode.firstChild){
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this.containerNode.removeChild(this.containerNode.firstChild);
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}
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this.containerNode.innerHTML = this.label;
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this._layoutHack();
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if(this.showLabel == false && !(dojo.attr(this.domNode, "title"))){
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this.titleNode.title=dojo.trim(this.containerNode.innerText || this.containerNode.textContent || '');
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}
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// End IE hack
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// setting timeout
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if(timeout){
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this.resetTimeout(timeout);
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}else{
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this.timeout = null;
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}
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// create optional busy image
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if(this.useIcon && this.isBusy){
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var node = new Image();
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node.src = this._blankGif;
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dojo.attr(node, "id", this.id+"_icon");
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dojo.addClass(node, "dojoxBusyButtonIcon");
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this.containerNode.appendChild(node);
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}
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},
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_clicked: function(e){
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// summary:
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// on button click the button state gets changed
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// only do something if button is not busy
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if(!this.isBusy){
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this.makeBusy();
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}
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}
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});
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dojo.declare("dojox.form.BusyButton", [dijit.form.Button, dojox.form._BusyButtonMixin], {});
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dojo.declare("dojox.form.BusyComboButton", [dijit.form.ComboButton, dojox.form._BusyButtonMixin], {});
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dojo.declare("dojox.form.BusyDropDownButton", [dijit.form.DropDownButton, dojox.form._BusyButtonMixin], {});
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