[619] | 1 | /* |
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| 2 | * Ext JS Library 2.2.1 |
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| 3 | * Copyright(c) 2006-2009, Ext JS, LLC. |
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| 4 | * licensing@extjs.com |
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| 5 | * |
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| 6 | * http://extjs.com/license |
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| 7 | */ |
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| 8 | |
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| 9 | /** |
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| 10 | * @class Ext.WindowGroup |
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| 11 | * An object that represents a group of {@link Ext.Window} instances and provides z-order management |
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| 12 | * and window activation behavior. |
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| 13 | * @constructor |
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| 14 | */ |
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| 15 | Ext.WindowGroup = function(){ |
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| 16 | var list = {}; |
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| 17 | var accessList = []; |
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| 18 | var front = null; |
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| 19 | |
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| 20 | // private |
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| 21 | var sortWindows = function(d1, d2){ |
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| 22 | return (!d1._lastAccess || d1._lastAccess < d2._lastAccess) ? -1 : 1; |
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| 23 | }; |
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| 24 | |
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| 25 | // private |
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| 26 | var orderWindows = function(){ |
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| 27 | var a = accessList, len = a.length; |
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| 28 | if(len > 0){ |
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| 29 | a.sort(sortWindows); |
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| 30 | var seed = a[0].manager.zseed; |
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| 31 | for(var i = 0; i < len; i++){ |
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| 32 | var win = a[i]; |
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| 33 | if(win && !win.hidden){ |
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| 34 | win.setZIndex(seed + (i*10)); |
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| 35 | } |
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| 36 | } |
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| 37 | } |
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| 38 | activateLast(); |
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| 39 | }; |
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| 40 | |
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| 41 | // private |
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| 42 | var setActiveWin = function(win){ |
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| 43 | if(win != front){ |
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| 44 | if(front){ |
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| 45 | front.setActive(false); |
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| 46 | } |
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| 47 | front = win; |
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| 48 | if(win){ |
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| 49 | win.setActive(true); |
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| 50 | } |
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| 51 | } |
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| 52 | }; |
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| 53 | |
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| 54 | // private |
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| 55 | var activateLast = function(){ |
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| 56 | for(var i = accessList.length-1; i >=0; --i) { |
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| 57 | if(!accessList[i].hidden){ |
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| 58 | setActiveWin(accessList[i]); |
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| 59 | return; |
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| 60 | } |
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| 61 | } |
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| 62 | // none to activate |
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| 63 | setActiveWin(null); |
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| 64 | }; |
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| 65 | |
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| 66 | return { |
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| 67 | /** |
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| 68 | * The starting z-index for windows (defaults to 9000) |
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| 69 | * @type Number The z-index value |
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| 70 | */ |
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| 71 | zseed : 9000, |
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| 72 | |
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| 73 | // private |
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| 74 | register : function(win){ |
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| 75 | list[win.id] = win; |
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| 76 | accessList.push(win); |
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| 77 | win.on('hide', activateLast); |
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| 78 | }, |
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| 79 | |
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| 80 | // private |
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| 81 | unregister : function(win){ |
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| 82 | delete list[win.id]; |
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| 83 | win.un('hide', activateLast); |
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| 84 | accessList.remove(win); |
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| 85 | }, |
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| 86 | |
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| 87 | /** |
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| 88 | * Gets a registered window by id. |
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| 89 | * @param {String/Object} id The id of the window or a {@link Ext.Window} instance |
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| 90 | * @return {Ext.Window} |
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| 91 | */ |
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| 92 | get : function(id){ |
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| 93 | return typeof id == "object" ? id : list[id]; |
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| 94 | }, |
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| 95 | |
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| 96 | /** |
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| 97 | * Brings the specified window to the front of any other active windows. |
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| 98 | * @param {String/Object} win The id of the window or a {@link Ext.Window} instance |
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| 99 | * @return {Boolean} True if the dialog was brought to the front, else false |
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| 100 | * if it was already in front |
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| 101 | */ |
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| 102 | bringToFront : function(win){ |
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| 103 | win = this.get(win); |
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| 104 | if(win != front){ |
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| 105 | win._lastAccess = new Date().getTime(); |
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| 106 | orderWindows(); |
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| 107 | return true; |
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| 108 | } |
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| 109 | return false; |
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| 110 | }, |
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| 111 | |
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| 112 | /** |
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| 113 | * Sends the specified window to the back of other active windows. |
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| 114 | * @param {String/Object} win The id of the window or a {@link Ext.Window} instance |
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| 115 | * @return {Ext.Window} The window |
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| 116 | */ |
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| 117 | sendToBack : function(win){ |
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| 118 | win = this.get(win); |
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| 119 | win._lastAccess = -(new Date().getTime()); |
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| 120 | orderWindows(); |
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| 121 | return win; |
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| 122 | }, |
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| 123 | |
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| 124 | /** |
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| 125 | * Hides all windows in the group. |
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| 126 | */ |
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| 127 | hideAll : function(){ |
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| 128 | for(var id in list){ |
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| 129 | if(list[id] && typeof list[id] != "function" && list[id].isVisible()){ |
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| 130 | list[id].hide(); |
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| 131 | } |
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| 132 | } |
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| 133 | }, |
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| 134 | |
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| 135 | /** |
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| 136 | * Gets the currently-active window in the group. |
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| 137 | * @return {Ext.Window} The active window |
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| 138 | */ |
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| 139 | getActive : function(){ |
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| 140 | return front; |
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| 141 | }, |
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| 142 | |
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| 143 | /** |
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| 144 | * Returns zero or more windows in the group using the custom search function passed to this method. |
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| 145 | * The function should accept a single {@link Ext.Window} reference as its only argument and should |
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| 146 | * return true if the window matches the search criteria, otherwise it should return false. |
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| 147 | * @param {Function} fn The search function |
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| 148 | * @param {Object} scope (optional) The scope in which to execute the function (defaults to the window |
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| 149 | * that gets passed to the function if not specified) |
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| 150 | * @return {Array} An array of zero or more matching windows |
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| 151 | */ |
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| 152 | getBy : function(fn, scope){ |
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| 153 | var r = []; |
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| 154 | for(var i = accessList.length-1; i >=0; --i) { |
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| 155 | var win = accessList[i]; |
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| 156 | if(fn.call(scope||win, win) !== false){ |
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| 157 | r.push(win); |
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| 158 | } |
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| 159 | } |
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| 160 | return r; |
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| 161 | }, |
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| 162 | |
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| 163 | /** |
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| 164 | * Executes the specified function once for every window in the group, passing each |
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| 165 | * window as the only parameter. Returning false from the function will stop the iteration. |
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| 166 | * @param {Function} fn The function to execute for each item |
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| 167 | * @param {Object} scope (optional) The scope in which to execute the function |
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| 168 | */ |
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| 169 | each : function(fn, scope){ |
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| 170 | for(var id in list){ |
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| 171 | if(list[id] && typeof list[id] != "function"){ |
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| 172 | if(fn.call(scope || list[id], list[id]) === false){ |
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| 173 | return; |
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| 174 | } |
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| 175 | } |
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| 176 | } |
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| 177 | } |
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| 178 | }; |
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| 179 | }; |
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| 180 | |
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| 181 | |
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| 182 | /** |
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| 183 | * @class Ext.WindowMgr |
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| 184 | * @extends Ext.WindowGroup |
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| 185 | * The default global window group that is available automatically. To have more than one group of windows |
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| 186 | * with separate z-order stacks, create additional instances of {@link Ext.WindowGroup} as needed. |
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| 187 | * @singleton |
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| 188 | */ |
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| 189 | Ext.WindowMgr = new Ext.WindowGroup(); |
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