egroupware_official/phpgwapi/js/dynapi/fx/imganim.js

103 lines
2.4 KiB
JavaScript

/*
DynAPI Distribution
ImageAnimation Class
The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
requires: Thread
*/
function ImageAnimation(dynimage) {
this.Thread = Thread;
this.Thread(dynimage);
this.imgAnim = new Array();
this.imgAnim.playing = null;
}
var p = dynapi.setPrototype('ImageAnimation','Thread');
p.addAnimation = function (imgArray) {
var animNum = this.imgAnim.length;
this.imgAnim[animNum] = imgArray;
this.imgAnim[animNum].loops = false;
this.imgAnim[animNum].resets = false;
this.imgAnim[animNum].frame = 0;
this.imgAnim[animNum].playing = true;
this.imgAnim[animNum].direction = 0;
this.imgAnim[animNum].alternates = false;
return animNum;
};
p.getFrame = function (animNum,frameNum) {
return this.imgAnim[animNum][frameNum];
};
p.setLoops = function (animNum,loop) {
this.imgAnim[animNum].loops = loop;
};
p.setResets = function (animNum) {
this.imgAnim[animNum].resets = true;
};
p.setAlternates = function (animNum,alt) {
this.imgAnim[animNum].loops = true;
this.imgAnim[animNum].alternates = alt;
};
p.playAnimation = function (animNum) {
if (animNum!=null && this.imgAnim.playing!=animNum) {
this.playing = true;
this.imgAnim.playing = animNum;
if (this.dlyr!=null) this.dlyr.invokeEvent("imgstart");
this.start();
}
};
p.stopAnimation = function () {
this.imgAnim.playing = null;
this.playing = false;
this.stop();
if (this.dlyr!=null) this.dlyr.invokeEvent("imgrun");
};
p.run = function () {
if (!this.playing || this.imgAnim.playing==null || this.dlyr==null) return;
var anim = this.imgAnim[this.imgAnim.playing];
if (anim.frame==0 && this.img==anim[anim.frame]) {
anim.frame++; // skip 1st frame if same
}
if (this.dlyr!=null) this.dlyr.invokeEvent("imgrun");
this.dlyr.setImage(anim[anim.frame]);
if (anim.frame>=anim.length-1) {
if (anim.loops) {
if (anim.alternates && anim.direction==0 && anim.frame==anim.length-1) {
anim.direction = 1;
anim.frame = anim.length-2;
}
else anim.frame = 0;
}
else if (anim.resets) {
anim.frame = 0;
this.stop();
}
else {
this.stop();
}
}
else {
if (anim.alternates) {
if (anim.frame==0 && anim.direction==1) {
anim.direction = 0;
anim.frame = 1;
}
else if (anim.direction==0) {
anim.frame++;
}
else if (anim.direction==1) {
anim.frame--;
}
}
else {
anim.frame++;
}
}
};