Re: [Dynapi-Help] How the Dynapi writes layers/divs to the browser

[Doug Melvin]

I didn't mean to indicate that your question was silly.

Only that the answers are there to be found.

If you didn't understand what you read, we probably can't help you..

I mean that you'd be better off reading an advanced Javascript totorial.

 

Alright:

ns6 //note: I am not very strong on DOM, someone may want to correct me or fill in the blanks

 

    //find the parent of the new layer

  var parentElement=(this.parent.isDynLayer)?this.parent.elm:this.parent.doc.body;
    //add a 'range' to the parent : same as adding an element? Maybe an empty HTML element

  var r = parentElement.ownerDocument.createRange();
    //I assume this tells the 'range' where in the document it starts

  r.setStartBefore(parentElement);

    //create the HTML layer element (<div> or <layer>)

  var ptxt = r.createContextualFragment(this.getOuterHTML());
    //probably add's it to the document

  parentElement.appendChild(ptxt);

    //DynAPI stuff..

    //This allows DynAPI internal code to acces the object's JS Object

    //(the DynLayer is actualy an object that contains a Layer object)

  this.elm=parentElement.lastChild;
    //gives DynAPI direct access to the CSS properties of the layer object

  this.css=this.elm.style;

    //give a reference to the object's document
  this.doc=this.parent.doc;

 

---

IE: //uses Microsft DOMish syntax to create the layer:

    //find a reference to the parent of the new layer

  var parentElement=(this.parent.isDynLayer)?this.parent.elm:this.parent.doc.body;

    //create the HTML layer element (<div> or <layer>)

  parentElement.insertAdjacentHTML("beforeEnd",this.getOuterHTML());
    //obtain a reference to the actual layer object

  this.elm=parentElement.children[parentElement.children.length-1];
    //obtain a reference to the new layer's CSS attributes

  this.css=this.elm.style;

    //Obtain a reference to the new Layer's document
  this.doc=this.parent.doc;

 

And I think you said you understood the NS4 stuff..

I should add that to avoid memory leaks in NS4, any layers that area deleted are put into and

array instead of being actually deleted so that they can be re-used the next time we need a layer.