| 1 | dojo.provide("dojox.drawing.manager.Mouse"); |
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| 2 | |
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| 3 | dojox.drawing.manager.Mouse = dojox.drawing.util.oo.declare( |
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| 4 | // summary: |
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| 5 | // Master object (instance) that tracks mouse |
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| 6 | // events. A new instance is created for each |
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| 7 | // Drawing object. |
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| 8 | // description: |
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| 9 | // You could connect to any method or event in this |
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| 10 | // class, but it is designed to have the object |
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| 11 | // 'registered'. All objects with the current event |
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| 12 | // will be called directly. |
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| 13 | // |
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| 14 | // Custom events are used often. In addition to |
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| 15 | // standard events onDown, onUp, onDrag, etc, if |
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| 16 | // a certain object is clicked upon (or dragged, etc), |
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| 17 | // that object's drawingType will create the custom event, |
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| 18 | // such as onAnchorDown, or onStencilDown. |
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| 19 | // |
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| 20 | function(/* Object */options){ |
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| 21 | this.util = options.util; |
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| 22 | this.keys = options.keys; |
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| 23 | this.id = options.id || this.util.uid("mouse"); |
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| 24 | this.currentNodeId = ""; |
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| 25 | this.registered = {}; |
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| 26 | }, |
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| 27 | |
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| 28 | { |
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| 29 | // doublClickSpeed: Number |
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| 30 | // Milliseconds between clicks to |
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| 31 | // register as for onDoubleClick |
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| 32 | doublClickSpeed:400, |
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| 33 | |
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| 34 | // private properties |
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| 35 | |
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| 36 | _lastx:0, |
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| 37 | _lasty:0, |
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| 38 | __reg:0, |
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| 39 | _downOnCanvas:false, |
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| 40 | |
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| 41 | /*===== |
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| 42 | CustomEventMethod: function(){ |
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| 43 | // summary: |
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| 44 | // The custom event method that an Object that has |
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| 45 | // registered with manager.Mouse can receive. |
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| 46 | // Can contain any or all of the following methods |
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| 47 | // and they will be called as mouse events. All events |
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| 48 | // will be sent a EventObject event object. |
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| 49 | // NOTE: |
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| 50 | // Events happen anywhere in the document unless |
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| 51 | // otherwise noted. |
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| 52 | // |
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| 53 | // onMove |
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| 54 | // Fires on mousemove when mouse is up |
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| 55 | // onDown |
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| 56 | // Fires on mousedown *on the canvas* |
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| 57 | // onDrag |
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| 58 | // Fires on mousemove when mouse is down |
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| 59 | // onUp |
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| 60 | // Fires on mouseup, anywhere in the document |
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| 61 | // onStencilDown |
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| 62 | // Fired on mousedown on a Stencil |
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| 63 | // onStencilDrag |
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| 64 | // Fired when mouse moves and mose is down on a Stencil |
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| 65 | // onStencilUp |
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| 66 | // Fired on mouseup off of a Stencil |
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| 67 | // on[Custom]Up|Down|Move |
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| 68 | // Custom events can bet set and fired by setting a |
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| 69 | // different drawingType on a Stencil, or by calling |
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| 70 | // setEventMode(customEventName) |
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| 71 | }, |
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| 72 | EventObject: function(){ |
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| 73 | // summary: |
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| 74 | // The custom event object that is sent to registered objects |
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| 75 | // and their respective methods. |
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| 76 | // NOTE: Most event objects are the same with the exception |
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| 77 | // of the onDown events, which have fewer. |
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| 78 | // |
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| 79 | // All event properties included onDown: |
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| 80 | // |
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| 81 | // id: String |
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| 82 | // Id of the focused object |
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| 83 | // pageX: Number |
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| 84 | // The X coordinate of the mouse from the left side of |
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| 85 | // the document. |
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| 86 | // pageY: Number |
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| 87 | // The Y coordinate of the mouse from the top of |
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| 88 | // the document. |
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| 89 | // x: Number |
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| 90 | // The X coordinate of the mouse from the left side |
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| 91 | // of the canvas |
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| 92 | // y: Number |
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| 93 | // The Y coordinate of the mouse from the top |
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| 94 | // of the canvas |
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| 95 | // |
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| 96 | // These event properties are *not* in onDown: |
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| 97 | // |
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| 98 | // last: Object |
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| 99 | // The x and y coordinates of the last mousemove |
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| 100 | // relative to the canvas |
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| 101 | // move: Object |
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| 102 | // The x and y amounts the mouse moved since the last event |
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| 103 | // orgX: Number |
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| 104 | // The left side of the canvas from the side of the document |
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| 105 | // orgY: Number |
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| 106 | // The top of the canvas from the top of the document |
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| 107 | // scroll: Object |
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| 108 | // The 'top' and 'left' scroll amounts of the canvas. |
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| 109 | // start: Object |
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| 110 | // The x and y coordinates of the mousedown event |
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| 111 | // withinCanvas: Boolean |
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| 112 | // Whether the event happened within the Canvas or not |
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| 113 | |
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| 114 | }, |
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| 115 | =====*/ |
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| 116 | |
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| 117 | init: function(/* HTMLNode*/node){ |
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| 118 | // summary: |
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| 119 | // Internal. Initializes mouse. |
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| 120 | // |
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| 121 | this.container = node; |
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| 122 | this.setCanvas(); |
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| 123 | var c; |
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| 124 | var _isDown = false; |
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| 125 | dojo.connect(this.container, "rightclick", this, function(evt){ |
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| 126 | console.warn("RIGHTCLICK") |
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| 127 | }); |
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| 128 | |
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| 129 | dojo.connect(document.body, "mousedown", this, function(evt){ |
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| 130 | //evt.preventDefault(); |
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| 131 | //dojo.stopEvent(evt); |
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| 132 | }); |
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| 133 | |
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| 134 | dojo.connect(this.container, "mousedown", this, function(evt){ |
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| 135 | this.down(evt); |
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| 136 | // Right click shouldn't trigger drag |
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| 137 | if(evt.button != dojo.mouseButtons.RIGHT){ |
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| 138 | _isDown = true; |
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| 139 | c = dojo.connect(document, "mousemove", this, "drag"); |
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| 140 | } |
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| 141 | }); |
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| 142 | dojo.connect(document, "mouseup", this, function(evt){ |
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| 143 | dojo.disconnect(c); |
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| 144 | _isDown = false; |
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| 145 | this.up(evt); |
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| 146 | }); |
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| 147 | dojo.connect(document, "mousemove", this, function(evt){ |
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| 148 | if(!_isDown){ |
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| 149 | this.move(evt); |
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| 150 | } |
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| 151 | }); |
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| 152 | dojo.connect(this.keys, "onEsc", this, function(evt){ |
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| 153 | this._dragged = false; |
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| 154 | }); |
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| 155 | }, |
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| 156 | |
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| 157 | setCanvas: function(){ |
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| 158 | // summary: |
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| 159 | // Internal. Sets canvas position |
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| 160 | var pos = dojo.coords(this.container.parentNode); |
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| 161 | this.origin = dojo.clone(pos); |
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| 162 | }, |
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| 163 | |
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| 164 | scrollOffset: function(){ |
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| 165 | // summary: |
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| 166 | // Gets scroll offset of canvas |
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| 167 | return { |
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| 168 | top:this.container.parentNode.scrollTop, |
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| 169 | left:this.container.parentNode.scrollLeft |
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| 170 | }; // Object |
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| 171 | }, |
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| 172 | |
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| 173 | resize: function(width,height){ |
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| 174 | if(this.origin){ |
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| 175 | this.origin.w=width; |
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| 176 | this.origin.h=height; |
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| 177 | } |
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| 178 | }, |
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| 179 | |
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| 180 | register: function(/* Object*/scope){ |
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| 181 | // summary: |
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| 182 | // All objects (Stencils) should register here if they |
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| 183 | // use mouse events. When registering, the object will |
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| 184 | // be called if it has that method. |
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| 185 | // argument: |
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| 186 | // The object to be called |
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| 187 | // Returns: handle |
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| 188 | // Keep the handle to be used for disconnection. |
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| 189 | // See: CustomEventMethod and EventObject |
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| 190 | // |
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| 191 | var handle = scope.id || "reg_"+(this.__reg++); |
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| 192 | if(!this.registered[handle]){ this.registered[handle] = scope; } |
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| 193 | return handle; // String |
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| 194 | }, |
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| 195 | unregister: function(handle){ |
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| 196 | // summary: |
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| 197 | // Disconnects object. Mouse events are no longer |
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| 198 | // called for it. |
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| 199 | if(!this.registered[handle]){ return; } |
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| 200 | delete this.registered[handle]; |
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| 201 | }, |
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| 202 | |
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| 203 | _broadcastEvent:function(strEvt, obj){ |
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| 204 | // summary: |
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| 205 | // Fire events to all registered objects. |
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| 206 | // |
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| 207 | //console.log("mouse.broadcast:", strEvt, obj) |
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| 208 | for(var nm in this.registered){ |
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| 209 | if(this.registered[nm][strEvt]) this.registered[nm][strEvt](obj); |
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| 210 | } |
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| 211 | }, |
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| 212 | |
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| 213 | onDown: function(obj){ |
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| 214 | // summary: |
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| 215 | // Create on[xx]Down event and send to broadcaster. |
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| 216 | // Could be connected to. |
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| 217 | //console.info("onDown:", this.eventName("down")) |
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| 218 | this._broadcastEvent(this.eventName("down"), obj); |
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| 219 | }, |
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| 220 | |
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| 221 | onDrag: function(obj){ |
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| 222 | // summary: |
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| 223 | // Create on[xx]Drag event and send to broadcaster. |
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| 224 | // Could be connected to. |
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| 225 | // |
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| 226 | var nm = this.eventName("drag"); |
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| 227 | if(this._selected && nm == "onDrag"){ |
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| 228 | nm = "onStencilDrag" |
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| 229 | } |
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| 230 | this._broadcastEvent(nm, obj); |
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| 231 | }, |
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| 232 | |
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| 233 | onMove: function(obj){ |
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| 234 | // summary: |
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| 235 | // Create onMove event and send to broadcaster. |
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| 236 | // Could be connected to. |
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| 237 | // Note: onMove never uses a custom event |
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| 238 | // Note: onMove is currently not enabled in the app. |
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| 239 | // |
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| 240 | this._broadcastEvent("onMove", obj); |
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| 241 | }, |
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| 242 | |
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| 243 | overName: function(obj,evt){ |
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| 244 | var nm = obj.id.split("."); |
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| 245 | evt = evt.charAt(0).toUpperCase() + evt.substring(1); |
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| 246 | if(nm[0] == "dojox" && (dojox.drawing.defaults.clickable || !dojox.drawing.defaults.clickMode)){ |
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| 247 | return "onStencil"+evt; |
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| 248 | }else{ |
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| 249 | return "on"+evt; |
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| 250 | } |
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| 251 | |
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| 252 | }, |
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| 253 | |
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| 254 | onOver: function(obj){ |
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| 255 | // summary: |
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| 256 | // |
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| 257 | this._broadcastEvent(this.overName(obj,"over"), obj); |
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| 258 | }, |
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| 259 | |
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| 260 | onOut: function(obj){ |
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| 261 | // summary: |
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| 262 | // |
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| 263 | this._broadcastEvent(this.overName(obj,"out"), obj); |
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| 264 | }, |
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| 265 | |
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| 266 | onUp: function(obj){ |
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| 267 | // summary: |
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| 268 | // Create on[xx]Up event and send to broadcaster. |
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| 269 | // Could be connected to. |
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| 270 | // |
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| 271 | // blocking first click-off (deselect), largely for TextBlock |
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| 272 | // TODO: should have param to make this optional? |
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| 273 | var nm = this.eventName("up"); |
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| 274 | |
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| 275 | if(nm == "onStencilUp"){ |
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| 276 | this._selected = true; |
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| 277 | }else if(this._selected && nm == "onUp"){ ////////////////////////////////////////// |
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| 278 | nm = "onStencilUp"; |
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| 279 | this._selected = false; |
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| 280 | } |
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| 281 | |
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| 282 | console.info("Up Event:", this.id, nm, "id:", obj.id); |
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| 283 | this._broadcastEvent(nm, obj); |
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| 284 | |
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| 285 | // Silverlight double-click handled in Silverlight class |
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| 286 | if(dojox.gfx.renderer == "silverlight"){ return; } |
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| 287 | |
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| 288 | // Check Double Click |
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| 289 | // If a double click is detected, the onDoubleClick event fires, |
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| 290 | // but does not replace the normal event. They both fire. |
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| 291 | this._clickTime = new Date().getTime(); |
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| 292 | if(this._lastClickTime){ |
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| 293 | if(this._clickTime-this._lastClickTime<this.doublClickSpeed){ |
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| 294 | var dnm = this.eventName("doubleClick"); |
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| 295 | console.warn("DOUBLE CLICK", dnm, obj); |
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| 296 | this._broadcastEvent(dnm, obj); |
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| 297 | }else{ |
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| 298 | //console.log(" slow:", this._clickTime-this._lastClickTime) |
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| 299 | } |
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| 300 | } |
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| 301 | this._lastClickTime = this._clickTime; |
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| 302 | |
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| 303 | }, |
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| 304 | |
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| 305 | zoom: 1, |
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| 306 | setZoom: function(zoom){ |
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| 307 | // summary: |
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| 308 | // Internal. Sets the mouse zoom percentage to |
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| 309 | // that of the canvas |
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| 310 | this.zoom = 1/zoom; |
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| 311 | }, |
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| 312 | |
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| 313 | setEventMode: function(mode){ |
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| 314 | // summary: |
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| 315 | // Sets the mouse mode s that custom events can be called. |
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| 316 | // Also can 'disable' events by using a bogus mode: |
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| 317 | // | mouse.setEventMode("DISABLED") |
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| 318 | // (unless any object subscribes to this event, |
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| 319 | // it is effectively disabled) |
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| 320 | // |
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| 321 | this.mode = mode ? "on" + mode.charAt(0).toUpperCase() + mode.substring(1) : ""; |
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| 322 | }, |
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| 323 | |
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| 324 | eventName: function(name){ |
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| 325 | // summary: |
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| 326 | // Internal. Determine the event name |
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| 327 | // |
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| 328 | name = name.charAt(0).toUpperCase() + name.substring(1); |
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| 329 | if(this.mode){ |
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| 330 | if(this.mode == "onPathEdit"){ |
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| 331 | return "on"+name; |
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| 332 | } |
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| 333 | if(this.mode == "onUI"){ |
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| 334 | //return "on"+name; |
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| 335 | } |
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| 336 | return this.mode + name; |
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| 337 | }else{ |
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| 338 | //Allow a mode where stencils aren't clickable |
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| 339 | if(!dojox.drawing.defaults.clickable && dojox.drawing.defaults.clickMode){return "on"+name;} |
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| 340 | var dt = !this.drawingType || this.drawingType=="surface" || this.drawingType=="canvas" ? "" : this.drawingType; |
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| 341 | var t = !dt ? "" : dt.charAt(0).toUpperCase() + dt.substring(1); |
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| 342 | return "on"+t+name; |
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| 343 | } |
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| 344 | }, |
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| 345 | |
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| 346 | up: function(evt){ |
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| 347 | // summary: |
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| 348 | // Internal. Create onUp event |
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| 349 | // |
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| 350 | this.onUp(this.create(evt)); |
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| 351 | }, |
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| 352 | |
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| 353 | down: function(evt){ |
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| 354 | // summary: |
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| 355 | // Internal. Create onDown event |
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| 356 | // |
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| 357 | this._downOnCanvas = true; |
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| 358 | var sc = this.scrollOffset(); |
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| 359 | var dim = this._getXY(evt); |
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| 360 | this._lastpagex = dim.x; |
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| 361 | this._lastpagey = dim.y; |
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| 362 | var o = this.origin; |
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| 363 | var x = dim.x - o.x + sc.left; |
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| 364 | var y = dim.y - o.y + sc.top; |
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| 365 | |
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| 366 | var withinCanvas = x>=0 && y>=0 && x<=o.w && y<=o.h; |
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| 367 | x*= this.zoom; |
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| 368 | y*= this.zoom; |
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| 369 | |
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| 370 | o.startx = x; |
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| 371 | o.starty = y; |
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| 372 | this._lastx = x; |
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| 373 | this._lasty = y; |
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| 374 | |
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| 375 | this.drawingType = this.util.attr(evt, "drawingType") || ""; |
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| 376 | var id = this._getId(evt); |
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| 377 | //console.log("DOWN:", this.id, id, withinCanvas); |
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| 378 | //console.log("this.drawingType:", this.drawingType); |
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| 379 | |
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| 380 | if(evt.button == dojo.mouseButtons.RIGHT && this.id == "mse"){ |
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| 381 | //Allow right click events to bubble for context menus |
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| 382 | }else{ |
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| 383 | evt.preventDefault(); |
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| 384 | dojo.stopEvent(evt); |
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| 385 | } |
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| 386 | this.onDown({ |
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| 387 | mid:this.id, |
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| 388 | x:x, |
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| 389 | y:y, |
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| 390 | pageX:dim.x, |
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| 391 | pageY:dim.y, |
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| 392 | withinCanvas:withinCanvas, |
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| 393 | id:id |
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| 394 | }); |
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| 395 | |
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| 396 | }, |
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| 397 | over: function(obj){ |
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| 398 | // summary: |
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| 399 | // Internal. |
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| 400 | // |
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| 401 | this.onOver(obj); |
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| 402 | }, |
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| 403 | out: function(obj){ |
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| 404 | // summary: |
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| 405 | // Internal. |
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| 406 | // |
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| 407 | this.onOut(obj); |
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| 408 | }, |
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| 409 | move: function(evt){ |
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| 410 | // summary: |
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| 411 | // Internal. |
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| 412 | // |
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| 413 | var obj = this.create(evt); |
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| 414 | if(this.id=="MUI"){ |
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| 415 | //console.log("obj.id:", obj.id, "was:", this.currentNodeId) |
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| 416 | } |
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| 417 | if(obj.id != this.currentNodeId){ |
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| 418 | // TODO: I wonder if an ID is good enough |
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| 419 | // that would avoid the mixin |
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| 420 | var outObj = {}; |
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| 421 | for(var nm in obj){ |
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| 422 | outObj[nm] = obj[nm]; |
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| 423 | } |
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| 424 | outObj.id = this.currentNodeId; |
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| 425 | this.currentNodeId && this.out(outObj); |
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| 426 | obj.id && this.over(obj); |
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| 427 | this.currentNodeId = obj.id; |
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| 428 | } |
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| 429 | this.onMove(obj); |
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| 430 | }, |
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| 431 | drag: function(evt){ |
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| 432 | // summary: |
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| 433 | // Internal. Create onDrag event |
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| 434 | this.onDrag(this.create(evt, true)); |
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| 435 | }, |
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| 436 | create: function(evt, squelchErrors){ |
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| 437 | // summary: |
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| 438 | // Internal. Create EventObject |
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| 439 | // |
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| 440 | var sc = this.scrollOffset(); |
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| 441 | var dim = this._getXY(evt); |
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| 442 | |
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| 443 | var pagex = dim.x; |
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| 444 | var pagey = dim.y; |
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| 445 | |
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| 446 | var o = this.origin; |
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| 447 | var x = dim.x - o.x + sc.left; |
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| 448 | var y = dim.y - o.y + sc.top; |
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| 449 | |
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| 450 | var withinCanvas = x>=0 && y>=0 && x<=o.w && y<=o.h; |
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| 451 | x*= this.zoom; |
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| 452 | y*= this.zoom; |
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| 453 | |
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| 454 | var id = withinCanvas ? this._getId(evt, squelchErrors) : ""; |
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| 455 | var ret = { |
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| 456 | mid:this.id, |
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| 457 | x:x, |
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| 458 | y:y, |
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| 459 | pageX:dim.x, |
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| 460 | pageY:dim.y, |
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| 461 | page:{ |
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| 462 | x:dim.x, |
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| 463 | y:dim.y |
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| 464 | }, |
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| 465 | orgX:o.x, |
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| 466 | orgY:o.y, |
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| 467 | last:{ |
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| 468 | x: this._lastx, |
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| 469 | y: this._lasty |
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| 470 | }, |
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| 471 | start:{ |
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| 472 | x: this.origin.startx, //+ sc.left, |
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| 473 | y: this.origin.starty //+ sc.top |
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| 474 | }, |
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| 475 | move:{ |
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| 476 | x:pagex - this._lastpagex, |
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| 477 | y:pagey - this._lastpagey |
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| 478 | }, |
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| 479 | scroll:sc, |
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| 480 | id:id, |
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| 481 | withinCanvas:withinCanvas |
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| 482 | }; |
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| 483 | |
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| 484 | //console.warn("MSE LAST:", x-this._lastx, y-this._lasty) |
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| 485 | this._lastx = x; |
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| 486 | this._lasty = y; |
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| 487 | this._lastpagex = pagex; |
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| 488 | this._lastpagey = pagey; |
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| 489 | dojo.stopEvent(evt); |
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| 490 | return ret; //Object |
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| 491 | }, |
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| 492 | _getId: function(evt, squelchErrors){ |
|---|
| 493 | // summary: |
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| 494 | // Internal. Gets ID of focused node. |
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| 495 | return this.util.attr(evt, "id", null, squelchErrors); // String |
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| 496 | }, |
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| 497 | _getXY: function(evt){ |
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| 498 | // summary: |
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| 499 | // Internal. Gets mouse coords to page. |
|---|
| 500 | return {x:evt.pageX, y:evt.pageY}; // Object |
|---|
| 501 | }, |
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| 502 | |
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| 503 | setCursor: function(cursor,/* HTMLNode*/node){ |
|---|
| 504 | // summary: |
|---|
| 505 | // Sets the cursor for a given node. If no |
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| 506 | // node is specified the containing node is used. |
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| 507 | if(!node){ |
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| 508 | dojo.style(this.container, "cursor", cursor); |
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| 509 | }else{ |
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| 510 | dojo.style(node, "cursor", cursor); |
|---|
| 511 | } |
|---|
| 512 | } |
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| 513 | } |
|---|
| 514 | ); |
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