/*
 * Copyright (c) 2011 OJC Technologies.  All rights reserved.
 * @author: Jake Smith
 */

function takeClickAction(e) {
	var ca;
        e.preventDefault();
        ca = new ClickActor(e);
        ca.processClick();
	printer.print("takeClickAction");
	return false;
}

function ClickActor(e) {
    this.event = e || window.event;
    this.event.stopPropagation();
    this.target = this.event.target || this.event.srcElement;
    
    if (printer) {printer.reset();}
    
    this.processClick = function() {
        if (cursor.isTarget(this.target)) {
	    printer.print("cursor was click target, switched to parent");
            this.target = this.target.parentNode;
        }
        cursor.remove();
        if (this.target.nodeName == 'HTML')
            return;
        this.placeACursor();
    }
    
    //-----------------------//
    //  "Private" functions  //
    //-----------------------//
    
    this.placeACursor = function() {
        var clickChooser, contenderNodes, posInfo;
        clickChooser = new ClickChooser(this.event);
        contenderNodes = this.getTerminalNodes();
        posInfo = clickChooser.getPositionInfo(contenderNodes);
        cursor.placeAt(posInfo);
    }
    
    this.getTerminalNodes = function() {
        var termNodes = [], tw;

	tw = document.createTreeWalker(this.target, NodeFilter.SHOW_TEXT, null,
	    false);
	while (tw.nextNode() != null)
		termNodes.push(tw.currentNode);
        return termNodes;
    }
} // ClickActor(e)

// standalone 'helper' function
function makeTempSpan(textNode) {
    var elem, copyTextNode; 
    copyTextNode = document.createTextNode(textNode.nodeValue);
    elem = getEmptyTempSpan();
    elem.appendChild(copyTextNode);
    return elem;
}

// standalone 'helper' function
function getEmptyTempSpan() {
    var elem;
    elem = document.createElement('span');
    elem.setAttribute('class', 'temporarysearchspan');
    return elem;
}