/**
* Copyright momolab ( http://wonderfl.net/user/momolab )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/katS
*/
package {
import flash.display.Sprite;
import flash.events.Event;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFieldType;
import flash.text.TextFormat;
import flash.display.Loader;
import flash.display.Shape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.MouseEvent;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.net.URLRequest;
import flash.text.TextFormat;
import flash.text.engine.ContentElement;
import flash.text.engine.ElementFormat;
import flash.text.engine.FontDescription;
import flash.text.engine.FontPosture;
import flash.text.engine.FontWeight;
import flash.text.engine.GraphicElement;
import flash.text.engine.GroupElement;
import flash.text.engine.TextBlock;
import flash.text.engine.TextElement;
import flash.text.engine.TextLine;
import flash.ui.Mouse;
import flash.ui.MouseCursor;
public class TestDaumTextEngine extends Sprite {
private var _textField:TextField;
private var _textBlock:TextBlock;
private var fontDescription:FontDescription;
private var elementFormat:ElementFormat;
private var textEngineLayer:Sprite;
private var contentCollection:Vector.<ContentElement>;
private var _eventDispatcher:EventDispatcher;
private var _selectionBeginIndex:int = -1;
private var _selectionEndIndex:int = -1;
public function TestDaumTextEngine() {
// Test Text Engine
var format:TextFormat = new TextFormat();
format.font = "Malgun Gothic";
format.size = 20;
format.color = 0x333333;
format.bold = false;
format.italic = false;
createTextField(format);
fontDescription = new FontDescription();
elementFormat = new ElementFormat();
textLinesDefaultFormat(format);
textEngineLayer = new Sprite();
addChild(textEngineLayer);
_eventDispatcher = new EventDispatcher();
_eventDispatcher.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
_eventDispatcher.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
_eventDispatcher.addEventListener(MouseEvent.MOUSE_OVER, mouseOverOutHandler);
_eventDispatcher.addEventListener(MouseEvent.MOUSE_OUT, mouseOverOutHandler);
}
private function mouseOverOutHandler(event:MouseEvent):void {
Mouse.cursor = (event.type == MouseEvent.MOUSE_OVER || event.buttonDown) ? MouseCursor.IBEAM : MouseCursor.ARROW;
}
private function mouseMoveHandler(event:MouseEvent):void {
if(!event.buttonDown)
return;
var line:TextLine;
if (event.target is TextLine) {
line = TextLine(event.target);
}
else {
line = TextLine(event.target.parent);
}
_selectionEndIndex = line.textBlockBeginIndex + line.getAtomIndexAtPoint(event.stageX, event.stageY);
drawBackground(_selectionBeginIndex, _selectionEndIndex);
}
private function mouseDownHandler(event:MouseEvent):void {
stage.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);
graphics.clear();
var line:TextLine;
if (event.target is TextLine) {
line = TextLine(event.target);
}
else {
line = TextLine(event.target.parent);
}
_selectionBeginIndex = line.textBlockBeginIndex + line.getAtomIndexAtPoint(event.stageX, event.stageY);
}
private function mouseUpHandler(event:MouseEvent):void {
stage.removeEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);
var objs:Array = getObjectsUnderPoint(new Point(event.stageX, event.stageY));
var obj:Object;
var found:Boolean = false;
while(objs.length) {
if (objs.pop() is TextLine) {
found = true;
break;
}
}
Mouse.cursor = found ? MouseCursor.IBEAM : MouseCursor.ARROW;
}
private function drawBackground(begin:int, end:int):void {
var i:int, l:int;
graphics.clear();
if (begin > end) {
var begin2:int = begin;
begin = end;
end = begin2;
}
var line:TextLine;
for(i = 0, l = this.numChildren ; i < l ; i++) {
line = this.getChildAt(i) as TextLine;
if (line.textBlockBeginIndex <= begin && (line.textBlockBeginIndex + line.rawTextLength) >= begin) {
break;
}
}
var startLine:TextLine = line;
for(i = 0, l = this.numChildren ; i < l ; i++) {
line = this.getChildAt(i) as TextLine;
if(line.textBlockBeginIndex <= end && (line.textBlockBeginIndex + line.rawTextLength) >= end) {
break;
}
}
var endLine:TextLine = line;
line = startLine;
var bounds:Rectangle;
try {
while(true) {
if (line == null) {
break;
}
if (line == startLine) {
if (startLine == endLine) {
bounds = line.getAtomBounds(Math.min(Math.max(begin - line.textBlockBeginIndex, 0), line.rawTextLength - 1)).union(line.getAtomBounds(Math.min(Math.max(end - line.textBlockBeginIndex, 0), line.rawTextLength - 1)));
}
else {
bounds = line.getAtomBounds(Math.min(Math.max(begin - line.textBlockBeginIndex, 0), line.rawTextLength - 1)).union(line.getAtomBounds(line.rawTextLength - 1));
}
bounds.x += line.x;
bounds.y += line.y;
}
else if (line == endLine) {
bounds = line.getAtomBounds(Math.min(Math.max(end - line.textBlockBeginIndex, 0), line.rawTextLength - 1)).union(line.getAtomBounds(0));
bounds.x += line.x;
bounds.y += line.y;
}
else {
bounds = line.getBounds(line.parent);
}
graphics.beginFill(0x6699ff, .2);
graphics.drawRect(bounds.x, bounds.y, bounds.width, bounds.height);
if(line == endLine) {
break;
}
line = line.nextLine;
}
}
catch(e:Error) {
}
}
private function createTextField(format:TextFormat):void {
_textField = new TextField();
_textField.type = TextFieldType.INPUT;
_textField.autoSize = TextFieldAutoSize.LEFT;
_textField.multiline = true;
_textField.border = true;
_textField.borderColor = 0;
addChild(_textField);
_textField.defaultTextFormat = format;
_textField.addEventListener(Event.CHANGE, textFieldChangeHandler);
}
private function textFieldChangeHandler(event:Event):void {
createTextLines(event.target.text);
textEngineLayer.y = _textField.y + _textField.height;
}
private function createTextLines(value:String):void {
var textLine:TextLine = null;
var groupElement:GroupElement;
var lineY:Number = 0;
removeAllTextLine();
var contentCollection:Vector.<ContentElement> = parseText(value);
groupElement = new GroupElement(contentCollection, null, _eventDispatcher);
_textBlock = new TextBlock();
_textBlock.content = groupElement;
while(textLine = _textBlock.createTextLine(textLine)) {
textEngineLayer.addChild(textLine);
lineY += textLine.height;
textLine.y = lineY;
}
}
private function parseText(value:String):Vector.<ContentElement> {
var contentCollection:Vector.<ContentElement> = new Vector.<ContentElement>();
var textElement:TextElement;
var graphicElement:GraphicElement;
var char:String;
for(var i:int = 0, l:int = value.length; i < l; i++) {
char = value.charAt(i);
switch (char) {
// case "A" :
// case "B" :
// case "C" :
// case "D" :
// case "E" :
// case "F" :
// graphicElement = createGraphicElement(char, elementFormat, 64, 64);
// contentCollection.push(graphicElement);
// break;
case "1" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/animals/48/Panda.png", elementFormat, 48, 48);
contentCollection.push(graphicElement);
break;
case "2" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/animals/48/Elephant.png", elementFormat, 48, 48);
contentCollection.push(graphicElement);
break;
case "3" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/animals/48/Butterfly.png", elementFormat, 48, 48);
contentCollection.push(graphicElement);
break;
case "4" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/animals/48/Dolphin.png", elementFormat, 48, 48);
contentCollection.push(graphicElement);
break;
case "a" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/my_computer.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "b" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/media_player.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "c" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/my_documents.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "d" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/basket_empty.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "e" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/search.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "f" :
graphicElement = createGraphicElementWithURL("http://cdn1.iconfinder.com/data/icons/walle/64/network.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "g" :
graphicElement = createGraphicElementWithURL("http://server2.iconfinder.com/data/icons/walle/64/basket_full.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
case "h" :
graphicElement = createGraphicElementWithURL("http://server2.iconfinder.com/data/icons/walle/64/my_applications.png", elementFormat, 64, 64);
contentCollection.push(graphicElement);
break;
default :
textElement = createTextElement(char, elementFormat);
contentCollection.push(textElement);
break;
}
}
return contentCollection;
}
private function textLinesDefaultFormat(format:TextFormat):void {
fontDescription = fontDescription.clone();
elementFormat = elementFormat.clone();
fontDescription.fontName = (format.font) ? format.font : fontDescription.fontName;
elementFormat.fontSize = (format.size) ? Number(format.size) : elementFormat.fontSize;
elementFormat.color = (format.color) ? uint(format.color) : elementFormat.color;
fontDescription.fontWeight = (format.bold) ? FontWeight.BOLD : fontDescription.fontWeight;
fontDescription.fontPosture = (format.italic) ? FontPosture.ITALIC : fontDescription.fontPosture;
elementFormat.fontDescription = fontDescription;
}
private function createGraphicElement(name:String, format:ElementFormat, elementWidth:Number = 15.0, elementHeight:Number = 15.0):GraphicElement {
var graphicElement:GraphicElement = new GraphicElement(new this[name](), elementWidth, elementHeight);
graphicElement.elementFormat = format;
return graphicElement;
}
private function createGraphicElementWithURL(url:String, format:ElementFormat, elementWidth:Number = 15.0, elementHeight:Number = 15.0):GraphicElement {
var tempGraphic:Shape = new Shape();
tempGraphic.graphics.drawRect(0, 0, elementWidth, elementHeight);
var graphicElement:GraphicElement = new GraphicElement(tempGraphic, elementWidth, elementHeight);
graphicElement.elementFormat = format;
var contentLoader:Loader = new Loader();
var contentLoadCompleteHandler:Function = function(event:Event):void {
graphicElement.graphic = contentLoader;
contentLoader.contentLoaderInfo.removeEventListener(Event.COMPLETE, contentLoadCompleteHandler);
};
contentLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, contentLoadCompleteHandler);
var request:URLRequest = new URLRequest(url);
contentLoader.load(request);
return graphicElement;
}
private function createTextElement(textData:String, format:ElementFormat):TextElement {
var textElement:TextElement = new TextElement(textData, elementFormat);
return textElement;
}
private function removeAllTextLine():void {
while(textEngineLayer.numChildren) {
textEngineLayer.removeChildAt(0);
}
}
}
}
