/*
ProjectItemsRenamer.jsx
version 1
(by the guy who runs crgreen.com)
*/
var win = new Window('palette', 'Rename Project Items',[300,100,645,362]);
var w = buildUI();
if (w != null) {
	w.show();
}

function buildUI() {
	if (win != null) {
		win.nameSearchLabel = win.add('statictext', [14,15,314,37], 'Search in Names:');
		win.nameSearchT = win.add('edittext', [25,40,325,62], '');
		win.nameReplaceLabel = win.add('statictext', [14,73,314,95], 'Replace with:');
		win.nameReplaceT = win.add('edittext', [25,98,325,120], '');
		win.typePnl = win.add('panel', [16,138,206,243], 'Rename Type:');
		
		win.repRad = win.typePnl.add('radiobutton', [14,13,174,35], 'Search and Replace');
		win.repRad.value = true;
		win.repRad.onClick = function () {
			doTextChange(win.nameSearchLabel, 'Search in Names:');
			doTextChange(win.nameReplaceLabel, 'Replace with:');
		};
		win.appRad = win.typePnl.add('radiobutton', [14,39,174,61], 'Append');
		win.appRad.onClick = function () {
			doTextChange(win.nameSearchLabel, 'Append Head with:');
			doTextChange(win.nameReplaceLabel, 'Append Tail with:');
		};
		win.remRad = win.typePnl.add('radiobutton', [14,65,174,87], 'Remove # of Characters');
		win.remRad.onClick = function () {
			doTextChange(win.nameSearchLabel, 'Remove this many chars from head (number):');
			doTextChange(win.nameReplaceLabel, 'Remove this many chars from tail (number):');
		};
		win.okBtn = win.add('button', [240,220,320,242], 'OK', {name:'OK'});
		win.okBtn.onClick = function () { doRenaming(this.parent); };
		
		win.cancBtn = win.add('button', [240,185,320,207], 'Close', {name:'Cancel'});
		win.cancBtn.onClick = function () {this.parent.close(1)};
	}
	return win
}

function doTextChange(target, newText) {
	target.text = newText;
}

function doRenaming(theDialog) {
	// make sure comps are selected
	var everyItem = app.project.items;
	selectedObs = new Array();
	for (var i = everyItem.length; i >= 1; i--) {
		eyeTem = everyItem[i];
		if (eyeTem.selected) {
			selectedObs[selectedObs.length] = eyeTem;
		}
	}
	
	if ( selectedObs.length == 0 ) {
		alert("No Project Items selected.");
	} else {
		var s = selectedObs;
		var selNum = s.length;
		
		app.beginUndoGroup("the renaming of project items");
		var inputError = false;
		
		for (var n = (selNum-1); n >= 0; n--) {
			if ( ! inputError ) {
				item = s[n];
				oldName = item.name;
				sear = theDialog.nameSearchT.text;
				repl = theDialog.nameReplaceT.text
				newName = oldName;
				
				if (theDialog.repRad.value) {
					//keep renaming until searchstring is no longer in name:
					
					while (newName.indexOf(sear) != -1) {
						newName = (newName.replace(sear, repl));
						//names should not be over 31 chars long, so we trim if we need to
					}
					newName=(newName.substr(0,31));
				} else if (theDialog.appRad.value) {
					newName=(sear + oldName + repl );
				} else if (theDialog.remRad.value) {
					if (sear == "") {sear = 0;}
					if (repl == "") {repl = 0;}
					sear = ( parseInt(sear) );
					repl = ( parseInt(repl) );
					if ( (isNaN(sear)) || (isNaN(repl)) ) {
						alert('Error: Not a number?');
						inputError = true;
					} else {
						newName=(newName.substr( sear, oldName.length-repl ));
					}
				}
				//////////////////////
				try {
					item.name = newName;
				} catch (error ) {
					// just ignore errors; if it can't be named, what the hay
				}
				//////////////////////
			}
		}
		app.endUndoGroup();
	}
}