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/* cbe_slide2.js $Revision: 0.11 $ |
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* CBE v4.19, Cross-Browser DHTML API from Cross-Browser.com |
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* Copyright (c) 2002 Michael Foster (mike@cross-browser.com) |
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* Distributed under the terms of the GNU LGPL from gnu.org |
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*/ |
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CrossBrowserElement.prototype.slideCornerBy = function(corner, dX, dY, totalTime, endListener) { |
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var targetX, targetY; |
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dX = parseInt(dX); |
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dY = parseInt(dY); |
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switch(corner.toLowerCase()) { |
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case 'nw': targetX = this.left() + dX; targetY = this.top() + dY; break; |
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case 'sw': targetX = this.left() + dX; targetY = this.top() + this.height() + dY; break; |
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case 'ne': targetX = this.left() + this.width() + dX; targetY = this.top() + dY; break; |
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case 'se': targetX = this.left() + this.width() + dX; targetY = this.top() + this.height() + dY; break; |
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default: alert("CBE: Invalid corner"); return; |
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} |
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this.slideCornerTo(corner, targetX, targetY, totalTime, endListener) |
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} |
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CrossBrowserElement.prototype.slideCornerTo = function(corner, targetX, targetY, totalTime, endListener) { |
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if (this.onslidestart) cbeEval(this.onslidestart, this); |
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this.xTarget = parseInt(targetX); |
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this.yTarget = parseInt(targetY); |
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this.slideTime = parseInt(totalTime); |
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this.corner = corner.toLowerCase(); |
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if (endListener) { |
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this.autoRemoveListener = true; |
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this.addEventListener('slideend', endListener); |
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} |
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this.stop = false; |
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switch(this.corner) { |
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case 'nw': this.xA = this.xTarget - this.left(); this.yA = this.yTarget - this.top(); this.xD = this.left(); this.yD = this.top(); break; |
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case 'sw': this.xA = this.xTarget - this.left(); this.yA = this.yTarget - (this.top() + this.height()); this.xD = this.left(); this.yD = this.top() + this.height(); break; |
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case 'ne': this.xA = this.xTarget - (this.left() + this.width()); this.yA = this.yTarget - this.top(); this.xD = this.left() + this.width(); this.yD = this.top(); break; |
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case 'se': this.xA = this.xTarget - (this.left() + this.width()); this.yA = this.yTarget - (this.top() + this.height()); this.xD = this.left() + this.width(); this.yD = this.top() + this.height(); break; |
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default: alert("CBE: Invalid corner"); return; |
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} |
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this.B = Math.PI / ( 2 * this.slideTime ); |
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var d = new Date( ) |
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this.C = d.getTime(); |
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if (!this.moving) this.slideCorner(); |
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} |
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CrossBrowserElement.prototype.slideCorner = function() { |
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var now, seX, seY; |
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now = new Date(); |
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t = now.getTime() - this.C; |
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if (this.stop) { this.moving = false; this.stop = false; return; } |
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else if (t < this.slideTime) { |
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setTimeout("window.cbeAll["+this.index+"].slideCorner()", this.timeout); |
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s = Math.sin( this.B * t ); |
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newX = Math.round(this.xA * s + this.xD); |
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newY = Math.round(this.yA * s + this.yD); |
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if (this.onslide) cbeEval(this.onslide, this, newX, newY, t); |
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} |
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else { newX = this.xTarget; newY = this.yTarget; } |
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seX = this.left() + this.width(); |
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seY = this.top() + this.height(); |
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switch(this.corner) { |
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case 'nw': this.moveTo(newX, newY); this.sizeTo(seX - this.left(), seY - this.top()); break; |
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case 'sw': if (this.xTarget != this.left()) { this.left(newX); this.width(seX - this.left()); } this.height(newY - this.top()); break; |
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case 'ne': this.width(newX - this.left()); if (this.yTarget != this.top()) { this.top(newY); this.height(seY - this.top()); } break; |
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case 'se': this.width(newX - this.left()); this.height(newY - this.top()); break; |
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default: this.stop = true; |
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} |
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this.clip('auto'); |
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this.moving = true; |
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if (t >= this.slideTime) { |
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this.moving = false; |
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if (this.onslideend) { |
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var tmp = this.onslideend; |
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if (this.autoRemoveListener) { |
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this.autoRemoveListener = false; |
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this.removeEventListener('slideend'); |
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} |
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cbeEval(tmp, this); |
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} |
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} |
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} |
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CrossBrowserElement.prototype.parametricEquation = function(exprX, exprY, totalTime, endListener) { |
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if (this.onslidestart) cbeEval(this.onslidestart, this); |
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this.t = 0; |
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this.stop = false; |
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this.exprX = exprX; |
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this.exprY = exprY; |
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if (endListener && window.cbeEventJsLoaded) { |
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this.autoRemoveListener = true; |
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this.addEventListener('slideend', endListener); |
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} |
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this.slideTime = parseInt(totalTime); |
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var d = new Date( ) |
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this.C = d.getTime(); |
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if (!this.moving) this.parametricEquation1(); |
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} |
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CrossBrowserElement.prototype.parametricEquation1 = function() { |
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var now = new Date(); |
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var et = now.getTime() - this.C; |
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this.t += this.tStep; |
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t = this.t; |
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if (this.stop) { this.moving = false; } |
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else if (!this.slideTime || et < this.slideTime) { |
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setTimeout("window.cbeAll["+this.index+"].parametricEquation1()", this.timeout); |
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var centerX = (this.parentNode.width()/2)-(this.width()/2); |
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var centerY = (this.parentNode.height()/2)-(this.height()/2); |
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this.xTarget = Math.round((eval(this.exprX) * centerX) + centerX) + this.parentNode.scrollLeft(); |
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this.yTarget = Math.round((eval(this.exprY) * centerY) + centerY) + this.parentNode.scrollTop(); |
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if (this.onslide) cbeEval(this.onslide, this, this.xTarget, this.yTarget, et); |
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this.moveTo(this.xTarget, this.yTarget); |
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this.moving = true; |
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} |
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else { |
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this.moving = false; |
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if (this.onslideend) { |
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var tmp = this.onslideend; |
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if (this.autoRemoveListener && window.cbeEventJsLoaded) { |
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this.autoRemoveListener = false; |
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this.removeEventListener('slideend'); |
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} |
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cbeEval(tmp, this); |
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} |
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} |
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} |
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var cbeSlideRateLinear=0, cbeSlideRateSine=1, cbeSlideRateCosine=2; |
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CrossBrowserElement.prototype.slideRate = cbeSlideRateSine; |
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CrossBrowserElement.prototype.tStep = .008; |
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CrossBrowserElement.prototype.exprX = ""; |
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CrossBrowserElement.prototype.exprY = ""; |
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CrossBrowserElement.prototype.corner = ""; |
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CrossBrowserElement.prototype.xTarget = 0; |
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CrossBrowserElement.prototype.yTarget = 0; |
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CrossBrowserElement.prototype.slideTime = 1000; |
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CrossBrowserElement.prototype.xA = 0; |
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CrossBrowserElement.prototype.yA = 0; |
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CrossBrowserElement.prototype.xD = 0; |
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CrossBrowserElement.prototype.yD = 0; |
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CrossBrowserElement.prototype.B = 0; |
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CrossBrowserElement.prototype.C = 0; |
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CrossBrowserElement.prototype.moving = false; |
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CrossBrowserElement.prototype.stop = true; |
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CrossBrowserElement.prototype.timeout = 35; |
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CrossBrowserElement.prototype.autoRemoveListener = false; |
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CrossBrowserElement.prototype.onslidestart = null; |
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CrossBrowserElement.prototype.onslide = null; |
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CrossBrowserElement.prototype.onslideend = null; |
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var cbeSlide2JsLoaded = true; |
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// End cbe_slide2.js |
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