git.pond.sub.org Git - eow/blob - static/dojo-release-1.1.1/dijit/form/_Spinner.js

   1 if(!dojo._hasResource["dijit.form._Spinner"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
   2 dojo._hasResource["dijit.form._Spinner"] = true;
   3 dojo.provide("dijit.form._Spinner");
   4
   5 dojo.require("dijit.form.ValidationTextBox");
   6
   7 dojo.declare(
   8         "dijit.form._Spinner",
   9         dijit.form.RangeBoundTextBox,
  10         {
  11
  12                 // summary: Mixin for validation widgets with a spinner
  13                 // description: This class basically (conceptually) extends dijit.form.ValidationTextBox.
  14                 //      It modifies the template to have up/down arrows, and provides related handling code.
  15
  16                 // defaultTimeout: Number
  17                 //        number of milliseconds before a held key or button becomes typematic
  18                 defaultTimeout: 500,
  19
  20                 // timeoutChangeRate: Number
  21                 //        fraction of time used to change the typematic timer between events
  22                 //        1.0 means that each typematic event fires at defaultTimeout intervals
  23                 //        < 1.0 means that each typematic event fires at an increasing faster rate
  24                 timeoutChangeRate: 0.90,
  25
  26                 // smallDelta: Number
  27                 //        adjust the value by this much when spinning using the arrow keys/buttons
  28                 smallDelta: 1,
  29                 // largeDelta: Number
  30                 //        adjust the value by this much when spinning using the PgUp/Dn keys
  31                 largeDelta: 10,
  32
  33                 templateString:"<div class=\"dijit dijitReset dijitInlineTable dijitLeft\"\n\tid=\"widget_${id}\"\n\tdojoAttachEvent=\"onmouseenter:_onMouse,onmouseleave:_onMouse,onmousedown:_onMouse\" waiRole=\"presentation\"\n\t><div class=\"dijitInputLayoutContainer\"\n\t\t><div class=\"dijitReset dijitSpinnerButtonContainer\"\n\t\t\t>&nbsp;<div class=\"dijitReset dijitLeft dijitButtonNode dijitArrowButton dijitUpArrowButton\"\n\t\t\t\tdojoAttachPoint=\"upArrowNode\"\n\t\t\t\tdojoAttachEvent=\"onmouseenter:_onMouse,onmouseleave:_onMouse\"\n\t\t\t\tstateModifier=\"UpArrow\"\n\t\t\t\t><div class=\"dijitArrowButtonInner\">&thinsp;</div\n\t\t\t\t><div class=\"dijitArrowButtonChar\">&#9650;</div\n\t\t\t></div\n\t\t\t><div class=\"dijitReset dijitLeft dijitButtonNode dijitArrowButton dijitDownArrowButton\"\n\t\t\t\tdojoAttachPoint=\"downArrowNode\"\n\t\t\t\tdojoAttachEvent=\"onmouseenter:_onMouse,onmouseleave:_onMouse\"\n\t\t\t\tstateModifier=\"DownArrow\"\n\t\t\t\t><div class=\"dijitArrowButtonInner\">&thinsp;</div\n\t\t\t\t><div class=\"dijitArrowButtonChar\">&#9660;</div\n\t\t\t></div\n\t\t></div\n\t\t><div class=\"dijitReset dijitValidationIcon\"><br></div\n\t\t><div class=\"dijitReset dijitValidationIconText\">&Chi;</div\n\t\t><div class=\"dijitReset dijitInputField\"\n\t\t\t><input class='dijitReset' dojoAttachPoint=\"textbox,focusNode\" type=\"${type}\" dojoAttachEvent=\"onfocus:_update,onkeyup:_onkeyup,onkeypress:_onKeyPress\"\n\t\t\t\twaiRole=\"spinbutton\" autocomplete=\"off\" name=\"${name}\"\n\t\t/></div\n\t></div\n></div>\n",
  34                 baseClass: "dijitSpinner",
  35
  36                 adjust: function(/* Object */ val, /*Number*/ delta){
  37                         // summary: user replaceable function used to adjust a primitive value(Number/Date/...) by the delta amount specified
  38                         // the val is adjusted in a way that makes sense to the object type
  39                         return val;
  40                 },
  41
  42                 _arrowState: function(/*Node*/ node, /*Boolean*/ pressed){
  43                         this._active = pressed;
  44                         this.stateModifier = node.getAttribute("stateModifier") || "";
  45                         this._setStateClass();
  46                 },
  47
  48                 _arrowPressed: function(/*Node*/ nodePressed, /*Number*/ direction){
  49                         if(this.disabled || this.readOnly){ return; }
  50                         this._arrowState(nodePressed, true);
  51                         this.setValue(this.adjust(this.getValue(), direction*this.smallDelta), false);
  52                         dijit.selectInputText(this.textbox, this.textbox.value.length);
  53                 },
  54
  55                 _arrowReleased: function(/*Node*/ node){
  56                         this._wheelTimer = null;
  57                         if(this.disabled || this.readOnly){ return; }
  58                         this._arrowState(node, false);
  59                 },
  60
  61                 _typematicCallback: function(/*Number*/ count, /*DOMNode*/ node, /*Event*/ evt){
  62                         if(node == this.textbox){ node = (evt.keyCode == dojo.keys.UP_ARROW) ? this.upArrowNode : this.downArrowNode; }
  63                         if(count == -1){ this._arrowReleased(node); }
  64                         else{ this._arrowPressed(node, (node == this.upArrowNode) ? 1 : -1); }
  65                 },
  66
  67                 _wheelTimer: null,
  68                 _mouseWheeled: function(/*Event*/ evt){
  69                         dojo.stopEvent(evt);
  70                         var scrollAmount = 0;
  71                         if(typeof evt.wheelDelta == 'number'){ // IE
  72                                 scrollAmount = evt.wheelDelta;
  73                         }else if(typeof evt.detail == 'number'){ // Mozilla+Firefox
  74                                 scrollAmount = -evt.detail;
  75                         }
  76                         var node, dir;
  77                         if(scrollAmount > 0){
  78                                 node = this.upArrowNode;
  79                                 dir = +1;
  80                         }else if(scrollAmount < 0){
  81                                 node = this.downArrowNode;
  82                                 dir = -1;
  83                         }else{ return; }
  84                         this._arrowPressed(node, dir);
  85                         if(this._wheelTimer != null){
  86                                 clearTimeout(this._wheelTimer);
  87                         }
  88                         var _this = this;
  89                         this._wheelTimer = setTimeout(function(){_this._arrowReleased(node);}, 50);
  90                 },
  91
  92                 postCreate: function(){
  93                         this.inherited('postCreate', arguments);
  94
  95                         // extra listeners
  96                         this.connect(this.textbox, dojo.isIE ? "onmousewheel" : 'DOMMouseScroll', "_mouseWheeled");
  97                         this._connects.push(dijit.typematic.addListener(this.upArrowNode, this.textbox, {keyCode:dojo.keys.UP_ARROW,ctrlKey:false,altKey:false,shiftKey:false}, this, "_typematicCallback", this.timeoutChangeRate, this.defaultTimeout));
  98                         this._connects.push(dijit.typematic.addListener(this.downArrowNode, this.textbox, {keyCode:dojo.keys.DOWN_ARROW,ctrlKey:false,altKey:false,shiftKey:false}, this, "_typematicCallback", this.timeoutChangeRate, this.defaultTimeout));
  99                         if(dojo.isIE){
 100                                 // When spinner is moved from hidden to visible, call _setStateClass to remind IE to render it. (#6123)
 101                                 var _this = this;
 102                                 this.connect(this.domNode, "onresize",
 103                                         function(){ setTimeout(dojo.hitch(_this,
 104                                                 function(){
 105                                                         // cause the IE expressions to rerun
 106                                                         this.upArrowNode.style.behavior = '';
 107                                                         this.downArrowNode.style.behavior = '';
 108                                                         // cause IE to rerender
 109                                                         this._setStateClass();
 110                                                 }), 0);
 111                                         }
 112                                 );
 113                         }
 114                 }
 115 });
 116
 117 }