/*
DynAPI Distribution
DynLayer DOM Specific Functions
The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
requires: dynapi.api.DynLayerBase
*/
p = DynLayer.prototype;
p._create = function() {
if (this.parent && !this.elm) {
DynElement._flagPreCreate(this);
var elm, parentElement;
parentElement = this.parent.elm;
// this method seems faster for most dom browsers
var r = parentElement.ownerDocument.createRange();
r.setStartBefore(parentElement);
var ptxt = r.createContextualFragment(this.getOuterHTML());
parentElement.appendChild(ptxt);
elm = parentElement.lastChild;
DynLayer._assignElement(this,elm);
DynElement._flagCreate(this);
}
};
DynLayer._assignElement = function(dlyr,elm,divs) {
if (!elm ) {
elm = (divs)? divs[dlyr.id] : dlyr.parent.doc.getElementById(dlyr.id);
if (!elm) {dlyr._create();return}; // force create() for missing inline layer
}
dlyr.elm = elm;
dlyr.css = elm.style;
dlyr.doc = dlyr.parent.doc;
dlyr.elm._dynobj = dlyr;
dlyr._dyndoc = dlyr.parent._dyndoc;
if(dlyr._blkBoardElm) dlyr._blkBoardElm = (divs)? divs[dlyr.id+'_blkboard'] : dlyr.parent.doc.getElementById(dlyr.id+'_blkboard');
if (dlyr.z) dlyr.css.zIndex = dlyr.z;
if (dlyr.html!=null && dlyr.html!='' && (dlyr.w==null || dlyr.h==null)) {
var cw = (dlyr.w==null)? dlyr.getContentWidth() : null;
var ch = (dlyr.h==null)? dlyr.getContentHeight() : null;
//var cw = (dlyr.w==null)? dlyr.getElmWidth() : null;
//var ch = (dlyr.h==null)? dlyr.getElmHeight() : null;
dlyr.setSize(cw,ch);
}
var i,ch=dlyr.children;
for (i=0;i<ch.length;i++) DynLayer._assignElement(ch[i],null,divs);
if (dlyr._hasMouseEvents) dlyr.captureMouseEvents();
if (dlyr._hasKeyEvents) dlyr.captureKeyEvents();
};
p.enableBlackboard = function(){
if (!this._created) this._blkBoardElm=true;
else if(!this._blkBoardElm){
var r,ptxt;
var h='',elm = this.elm;
if(this.html!=null) h=this.html;
r = elm.ownerDocument.createRange();
r.setStartBefore(elm);
ptxt = r.createContextualFragment('<div id="'+this.id+'_blkboard">'+h+'</div>');
elm.appendChild(ptxt);
this._blkBoardElm = elm.lastChild;
}
};
p.setLocation=function(x,y) {
var cx = (x!=null && x!=this.x);
var cy = (y!=null && y!=this.y);
if (cx) this.x = x||0;
if (cy) this.y = y||0;
if (this.css!=null) {
if (cx) this.css.left = this.x+"px";
if (cy) this.css.top = this.y+"px";
}
if(this._hasLocationEvents) this.invokeEvent('locationchange');
return (cx||cy);
};
p.setPageLocation = function(x,y) {
if (this.isChild) {
if (x!=null) x = x - this.parent.getPageX();
if (y!=null) y = y - this.parent.getPageY();
}
return this.setLocation(x,y);
};
p.setHTML = function(html) {
if (html!=this.html) {
this.html = html;
if (this.css) {
var elm = (this._blkBoardElm)? this._blkBoardElm:this.elm;
elm.innerHTML = html;
var sTmp=(this.w==null)?'<NOBR>'+this.html+'</NOBR>':this.html;
while (elm.hasChildNodes()) elm.removeChild(elm.firstChild);
var r=elm.ownerDocument.createRange();
r.selectNodeContents(elm);
r.collapse(true);
var df=r.createContextualFragment(sTmp);
elm.appendChild(df);
}
}
if(this._hasContentEvents) this.invokeEvent('contentchange');
};
p.setTextSelectable=function(b) {
this._textSelectable = b;
if(!this._hasMouseEvents) this.captureMouseEvents();
if (!b) this.setCursor('default');
};
p.getCursor = function() {return (this._cursor=='pointer')? 'hand':this._cursor};
p.setCursor = function(c) {
if (!c) c = 'default';
else c=(c+'').toLowerCase();
if (c=='hand') c='pointer';
if (this._cursor!=c) {
this._cursor = c;
if (this.css) this.css.cursor = c;
}
};
p.getContentWidth=function() {
if (this.elm==null) return 0;
else {
var tw = this.elm.style.width;
this.elm.style.width = "auto";
var w = this.elm.offsetWidth;
this.elm.style.width = tw;
return w;
};
};
p.getContentHeight=function() {
if (this.elm==null) return 0;
else {
var th = this.elm.style.height;
this.elm.style.height = "auto";
var h = this.elm.offsetHeight;
this.elm.style.height = th;
return h;
}
};