[1] | 1 | /** |
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| 2 | * $Id: mclayer.js 520 2008-01-07 16:30:32Z spocke $ |
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| 3 | * |
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| 4 | * Moxiecode floating layer script. |
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| 5 | * |
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| 6 | * @author Moxiecode |
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| 7 | * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved. |
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| 8 | */ |
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| 9 | |
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| 10 | function MCLayer(id) { |
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| 11 | this.id = id; |
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| 12 | this.settings = new Array(); |
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| 13 | this.blockerElement = null; |
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| 14 | this.isMSIE = navigator.appName == "Microsoft Internet Explorer"; |
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| 15 | this.events = false; |
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| 16 | this.autoHideCallback = null; |
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| 17 | } |
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| 18 | |
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| 19 | MCLayer.prototype = { |
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| 20 | moveRelativeTo : function(re, p, a) { |
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| 21 | var rep = this.getAbsPosition(re); |
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| 22 | var w = parseInt(re.offsetWidth); |
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| 23 | var h = parseInt(re.offsetHeight); |
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| 24 | var x, y; |
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| 25 | |
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| 26 | switch (p) { |
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| 27 | case "tl": |
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| 28 | break; |
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| 29 | |
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| 30 | case "tr": |
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| 31 | x = rep.absLeft + w; |
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| 32 | y = rep.absTop; |
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| 33 | break; |
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| 34 | |
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| 35 | case "bl": |
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| 36 | break; |
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| 37 | |
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| 38 | case "br": |
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| 39 | break; |
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| 40 | } |
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| 41 | |
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| 42 | this.moveTo(x, y); |
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| 43 | }, |
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| 44 | |
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| 45 | moveBy : function(dx, dy) { |
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| 46 | var e = this.getElement(); |
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| 47 | var x = parseInt(e.style.left); |
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| 48 | var y = parseInt(e.style.top); |
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| 49 | |
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| 50 | e.style.left = (x + dx) + "px"; |
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| 51 | e.style.top = (y + dy) + "px"; |
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| 52 | |
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| 53 | this.updateBlocker(); |
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| 54 | }, |
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| 55 | |
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| 56 | moveTo : function(x, y) { |
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| 57 | var e = this.getElement(); |
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| 58 | |
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| 59 | e.style.left = x + "px"; |
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| 60 | e.style.top = y + "px"; |
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| 61 | |
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| 62 | this.updateBlocker(); |
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| 63 | }, |
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| 64 | |
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| 65 | show : function() { |
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| 66 | MCLayer.visibleLayer = this; |
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| 67 | |
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| 68 | this.getElement().style.display = 'block'; |
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| 69 | this.updateBlocker(); |
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| 70 | }, |
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| 71 | |
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| 72 | hide : function() { |
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| 73 | this.getElement().style.display = 'none'; |
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| 74 | this.updateBlocker(); |
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| 75 | }, |
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| 76 | |
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| 77 | setAutoHide : function(s, cb) { |
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| 78 | this.autoHideCallback = cb; |
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| 79 | this.registerEventHandlers(); |
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| 80 | }, |
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| 81 | |
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| 82 | getElement : function() { |
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| 83 | return document.getElementById(this.id); |
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| 84 | }, |
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| 85 | |
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| 86 | updateBlocker : function() { |
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| 87 | if (!this.isMSIE) |
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| 88 | return; |
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| 89 | |
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| 90 | var e = this.getElement(); |
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| 91 | var b = this.getBlocker(); |
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| 92 | var x = this.parseInt(e.style.left); |
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| 93 | var y = this.parseInt(e.style.top); |
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| 94 | var w = this.parseInt(e.offsetWidth); |
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| 95 | var h = this.parseInt(e.offsetHeight); |
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| 96 | |
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| 97 | b.style.left = x + 'px'; |
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| 98 | b.style.top = y + 'px'; |
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| 99 | b.style.width = w + 'px'; |
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| 100 | b.style.height = h + 'px'; |
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| 101 | b.style.display = e.style.display; |
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| 102 | }, |
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| 103 | |
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| 104 | getBlocker : function() { |
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| 105 | if (!this.blockerElement) { |
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| 106 | var d = document, b = d.createElement("iframe"); |
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| 107 | |
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| 108 | b.style.cssText = 'display: none; left: 0px; position: absolute; top: 0'; |
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| 109 | b.src = 'javascript:false;'; |
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| 110 | b.frameBorder = '0'; |
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| 111 | b.scrolling = 'no'; |
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| 112 | |
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| 113 | d.body.appendChild(b); |
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| 114 | this.blockerElement = b; |
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| 115 | } |
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| 116 | |
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| 117 | return this.blockerElement; |
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| 118 | }, |
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| 119 | |
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| 120 | getAbsPosition : function(n) { |
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| 121 | var p = {absLeft : 0, absTop : 0}; |
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| 122 | |
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| 123 | while (n) { |
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| 124 | p.absLeft += n.offsetLeft; |
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| 125 | p.absTop += n.offsetTop; |
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| 126 | n = n.offsetParent; |
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| 127 | } |
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| 128 | |
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| 129 | return p; |
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| 130 | }, |
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| 131 | |
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| 132 | registerEventHandlers : function() { |
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| 133 | if (!this.events) { |
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| 134 | var d = document; |
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| 135 | |
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| 136 | this.addEvent(d, 'mousedown', MCLayer.prototype.onMouseDown); |
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| 137 | |
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| 138 | this.events = true; |
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| 139 | } |
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| 140 | }, |
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| 141 | |
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| 142 | addEvent : function(o, n, h) { |
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| 143 | if (o.attachEvent) |
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| 144 | o.attachEvent("on" + n, h); |
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| 145 | else |
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| 146 | o.addEventListener(n, h, false); |
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| 147 | }, |
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| 148 | |
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| 149 | onMouseDown : function(e) { |
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| 150 | e = typeof(e) == "undefined" ? window.event : e; |
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| 151 | var b = document.body; |
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| 152 | var l = MCLayer.visibleLayer; |
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| 153 | |
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| 154 | if (l) { |
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| 155 | var mx = l.isMSIE ? e.clientX + b.scrollLeft : e.pageX; |
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| 156 | var my = l.isMSIE ? e.clientY + b.scrollTop : e.pageY; |
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| 157 | var el = l.getElement(); |
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| 158 | var x = parseInt(el.style.left); |
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| 159 | var y = parseInt(el.style.top); |
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| 160 | var w = parseInt(el.offsetWidth); |
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| 161 | var h = parseInt(el.offsetHeight); |
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| 162 | |
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| 163 | if (!(mx > x && mx < x + w && my > y && my < y + h)) { |
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| 164 | MCLayer.visibleLayer = null; |
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| 165 | |
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| 166 | if (l.autoHideCallback && l.autoHideCallback(l, e, mx, my)) |
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| 167 | return true; |
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| 168 | |
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| 169 | l.hide(); |
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| 170 | } |
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| 171 | } |
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| 172 | }, |
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| 173 | |
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| 174 | addCSSClass : function(e, c) { |
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| 175 | this.removeCSSClass(e, c); |
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| 176 | var a = this.explode(' ', e.className); |
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| 177 | a[a.length] = c; |
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| 178 | e.className = a.join(' '); |
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| 179 | }, |
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| 180 | |
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| 181 | removeCSSClass : function(e, c) { |
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| 182 | var a = this.explode(' ', e.className), i; |
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| 183 | |
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| 184 | for (i=0; i<a.length; i++) { |
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| 185 | if (a[i] == c) |
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| 186 | a[i] = ''; |
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| 187 | } |
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| 188 | |
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| 189 | e.className = a.join(' '); |
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| 190 | }, |
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| 191 | |
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| 192 | explode : function(d, s) { |
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| 193 | var ar = s.split(d); |
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| 194 | var oar = new Array(); |
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| 195 | |
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| 196 | for (var i = 0; i<ar.length; i++) { |
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| 197 | if (ar[i] != "") |
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| 198 | oar[oar.length] = ar[i]; |
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| 199 | } |
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| 200 | |
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| 201 | return oar; |
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| 202 | }, |
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| 203 | |
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| 204 | parseInt : function(s) { |
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| 205 | if (s == null || s == '') |
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| 206 | return 0; |
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| 207 | |
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| 208 | return parseInt(s); |
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| 209 | } |
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| 210 | } |
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