295 lines
7.9 KiB
JavaScript
Vendored
295 lines
7.9 KiB
JavaScript
Vendored
/*
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* xbStyle.js
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* $Revision: 1.2 $ $Date: 2003/02/07 16:04:22 $
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Netscape code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Bob Clary <bclary@netscape.com>
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*
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* ***** END LICENSE BLOCK ***** */
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function xbStyleNotSupported() {}
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function xbStyleNotSupportStringValue(propname) { xbDEBUG.dump(propname + ' is not supported in this browser'); return '';};
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/////////////////////////////////////////////////////////////
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// xbClipRect
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function xbClipRect(a1, a2, a3, a4)
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{
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this.top = 0;
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this.right = 0;
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this.bottom = 0;
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this.left = 0;
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if (typeof(a1) == 'string')
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{
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var val;
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var ca;
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var i;
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if (a1.indexOf('rect(') == 0)
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{
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// I would have preferred [0-9]+[a-zA-Z]+ for a regexp
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// but NN4 returns null for that.
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ca = a1.substring(5, a1.length-1).match(/-?[0-9a-zA-Z]+/g);
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for (i = 0; i < 4; ++i)
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{
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val = xbToInt(ca[i]);
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if (val != 0 && ca[i].indexOf('px') == -1)
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{
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xbDEBUG.dump('xbClipRect: A clipping region ' + a1 + ' was detected that did not use pixels as units. Click Ok to continue, Cancel to Abort');
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return;
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}
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ca[i] = val;
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}
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this.top = ca[0];
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this.right = ca[1];
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this.bottom = ca[2];
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this.left = ca[3];
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}
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}
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else if (typeof(a1) == 'number' && typeof(a2) == 'number' && typeof(a3) == 'number' && typeof(a4) == 'number')
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{
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this.top = a1;
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this.right = a2;
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this.bottom = a3;
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this.left = a4;
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}
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}
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xbClipRect.prototype.top = 0;
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xbClipRect.prototype.right = 0;
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xbClipRect.prototype.bottom = 0;
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xbClipRect.prototype.left = 0;
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function xbClipRectGetWidth()
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{
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return this.right - this.left;
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}
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xbClipRect.prototype.getWidth = xbClipRectGetWidth;
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function xbClipRectSetWidth(width)
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{
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this.right = this.left + width;
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}
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xbClipRect.prototype.setWidth = xbClipRectSetWidth;
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function xbClipRectGetHeight()
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{
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return this.bottom - this.top;
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}
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xbClipRect.prototype.getHeight = xbClipRectGetHeight;
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function xbClipRectSetHeight(height)
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{
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this.bottom = this.top + height;
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}
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xbClipRect.prototype.setHeight = xbClipRectSetHeight;
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function xbClipRectToString()
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{
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return 'rect(' + this.top + 'px ' + this.right + 'px ' + this.bottom + 'px ' + this.left + 'px )' ;
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}
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xbClipRect.prototype.toString = xbClipRectToString;
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/////////////////////////////////////////////////////////////
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// xbStyle
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//
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// Note Opera violates the standard by cascading the effective values
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// into the HTMLElement.style object. We can use IE's HTMLElement.currentStyle
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// to get the effective values. In Gecko we will use the W3 DOM Style Standard getComputedStyle
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function xbStyle(obj, win, position)
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{
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if (typeof(obj) == 'object' && typeof(obj.style) != 'undefined')
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this.styleObj = obj.style;
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else if (document.layers) // NN4
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{
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if (typeof(position) == 'undefined')
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position = '';
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this.styleObj = obj;
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this.styleObj.position = position;
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}
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this.object = obj;
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this.window = win ? win : window;
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}
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xbStyle.prototype.styleObj = null;
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xbStyle.prototype.object = null;
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/////////////////////////////////////////////////////////////
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// xbStyle.getEffectiveValue()
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// note that xbStyle's constructor uses the currentStyle object
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// for IE5+ and that Opera's style object contains computed values
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// already. Netscape Navigator's layer object also contains the
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// computed values as well. Note that IE4 will not return the
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// computed values.
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function xbStyleGetEffectiveValue(propname)
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{
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var value = null;
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if (this.window.document.defaultView && this.window.document.defaultView.getComputedStyle)
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{
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// W3
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// Note that propname is the name of the property in the CSS Style
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// Object. However the W3 method getPropertyValue takes the actual
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// property name from the CSS Style rule, i.e., propname is
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// 'backgroundColor' but getPropertyValue expects 'background-color'.
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var capIndex;
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var cappropname = propname;
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while ( (capIndex = cappropname.search(/[A-Z]/)) != -1)
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{
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if (capIndex != -1)
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{
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cappropname = cappropname.substring(0, capIndex) + '-' + cappropname.substring(capIndex, capIndex+1).toLowerCase() + cappropname.substr(capIndex+1);
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}
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}
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value = this.window.document.defaultView.getComputedStyle(this.object, '').getPropertyValue(cappropname);
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// xxxHack for Gecko:
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if (!value && this.styleObj[propname])
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{
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value = this.styleObj[propname];
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}
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}
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else if (typeof(this.styleObj[propname]) == 'undefined')
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{
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value = xbStyleNotSupportStringValue(propname);
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}
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else if (typeof(this.object.currentStyle) != 'undefined')
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{
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// IE5+
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value = this.object.currentStyle[propname];
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if (!value)
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{
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value = this.styleObj[propname];
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}
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if (propname == 'clip' && !value)
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{
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// clip is not stored in IE5/6 handle separately
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value = 'rect(' + this.object.currentStyle.clipTop + ', ' + this.object.currentStyle.clipRight + ', ' + this.object.currentStyle.clipBottom + ', ' + this.object.currentStyle.clipLeft + ')';
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}
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}
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else
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{
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// IE4+, Opera, NN4
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value = this.styleObj[propname];
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}
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return value;
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.moveAbove()
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function xbStyleMoveAbove(cont)
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{
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this.setzIndex(cont.getzIndex()+1);
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.moveBelow()
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function xbStyleMoveBelow(cont)
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{
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var zindex = cont.getzIndex() - 1;
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this.setzIndex(zindex);
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.moveBy()
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function xbStyleMoveBy(deltaX, deltaY)
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{
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this.moveTo(this.getLeft() + deltaX, this.getTop() + deltaY);
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.moveTo()
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function xbStyleMoveTo(x, y)
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{
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this.setLeft(x);
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this.setTop(y);
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.moveToAbsolute()
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function xbStyleMoveToAbsolute(x, y)
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{
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this.setPageX(x);
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this.setPageY(y);
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.resizeBy()
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function xbStyleResizeBy(deltaX, deltaY)
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{
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this.setWidth( this.getWidth() + deltaX );
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this.setHeight( this.getHeight() + deltaY );
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}
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/////////////////////////////////////////////////////////////////////////////
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// xbStyle.resizeTo()
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function xbStyleResizeTo(x, y)
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{
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this.setWidth(x);
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this.setHeight(y);
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}
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////////////////////////////////////////////////////////////////////////
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xbStyle.prototype.getEffectiveValue = xbStyleGetEffectiveValue;
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xbStyle.prototype.moveAbove = xbStyleMoveAbove;
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xbStyle.prototype.moveBelow = xbStyleMoveBelow;
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xbStyle.prototype.moveBy = xbStyleMoveBy;
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xbStyle.prototype.moveTo = xbStyleMoveTo;
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xbStyle.prototype.moveToAbsolute = xbStyleMoveToAbsolute;
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xbStyle.prototype.resizeBy = xbStyleResizeBy;
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xbStyle.prototype.resizeTo = xbStyleResizeTo;
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if (document.all || document.getElementsByName)
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{
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xblibrary.loadScript('xbStyle-css.js');
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}
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else if (document.layers)
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{
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xblibrary.loadScript('xbStyle-nn4.js');
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}
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else
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{
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xblibrary.loadScript('xbStyle-not-supported.js');
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}
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