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//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
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//
//      http://www.apache.org/licenses/LICENSE-2.0
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////////////////////////////////////////////////////////////////////////////////
package UnitTest.Tests
{
    import UnitTest.ExtendedClasses.VellumTestCase;
    import UnitTest.Fixtures.TestConfig;

    import flash.display.Sprite;
    import flash.text.engine.TextBlock;
    import flash.text.engine.TextLine;

    import flashx.textLayout.compose.IFlowComposer;
    import flashx.textLayout.container.ContainerController;
    import flashx.textLayout.edit.EditManager;
    import flashx.textLayout.elements.InlineGraphicElement;
    import flashx.textLayout.elements.ParagraphElement;
    import flashx.textLayout.elements.SpanElement;
    import flashx.textLayout.elements.TextFlow;
    import flashx.textLayout.formats.BlockProgression;
    import flashx.textLayout.formats.Direction;
    import flashx.textLayout.formats.TextLayoutFormat;
    import flashx.textLayout.tlf_internal;

    import mx.containers.Canvas;

    import org.flexunit.asserts.assertTrue;

    use namespace tlf_internal;

    [TestCase(order=17)]
    public class CrossContainerTest extends VellumTestCase
    {
        // Members
        private var _flowComposer:IFlowComposer;
        private var _textFlow:TextFlow;
        private var _verticalText:Boolean;
        private var _rtlText:Boolean;
        private var _testCanvas:Canvas;
        private var _textFlowSprite:Sprite;
        private var _container1:Sprite;
        private var _container2:Sprite;
        private var _container3:Sprite;

        public function CrossContainerTest()
        {
            super("", "CrossContainerTest", TestConfig.getInstance());
            TestData.fileName = null;
            metaData = {};
            // Note: These must correspond to a Watson product area (case-sensitive)
            metaData.productArea = "Text Composition";
        }

        [Before]
        override public function setUpTest():void
        {
            super.setUpTest();
            setupTextFlow();
            initializeFlow();
        }

        [After]
        override public function tearDownTest():void
        {
            super.tearDownTest();
        }

        [Test]
        public function crossContainerTest():void
        {
            var tb:TextBlock = (_textFlow.getChildAt(2) as ParagraphElement).getTextBlock();
            assertTrue("The _textBlock of the second paragraph should not be null", tb);
            var fLine:TextLine = tb.firstLine;
            assertTrue("The first TextLine of the second paragraph should not be null", fLine);
            assertTrue("The first TextLine of the second paragraph should be on the second container", fLine.parent == _container2);
        }

        private function setupTextFlow():void
        {
            var textFlow:TextFlow = new TextFlow();
            var para1String:String = "In the first paragraph of a "
            var para1String2:String = "cheap"
            var para1String3:String = "Western novel, a cowboy meets a saloon girl.";
            var para2String:String = "In the middle of the cheap novel a really bad guy, " +
                    "who is having a relationship with the saloon girl, sees the cowboy help " +
                    "her onto her horse as she smiles at him warmly."
            var para3String:String = "In the last paragraph of the cheap novel, the cowboy kills " +
                    "the really bad guy in a shootout in the middle of main street and " +
                    "then rides into the sunset with the saloon girl on the back of his";

            var controllerOne:ContainerController;
            var controllerTwo:ContainerController;

            _container1 = new Sprite();
            _container2 = new Sprite();

            controllerOne = new ContainerController(_container1, 200, 210);
            controllerTwo = new ContainerController(_container2, 200, 220);

            var textLayoutFormat:TextLayoutFormat = new TextLayoutFormat();
            var paragraph1:ParagraphElement = new ParagraphElement();

            var paragraph2:ParagraphElement = new ParagraphElement();
            var paragraph3:ParagraphElement = new ParagraphElement();

            var p1Span1:SpanElement = new SpanElement();
            var p1Span2:SpanElement = new SpanElement();
            var p1Span3:SpanElement = new SpanElement();
            var p2Span:SpanElement = new SpanElement();
            var p3Span:SpanElement = new SpanElement();

            p1Span1.text = para1String;
            p1Span2.text = para1String2;
            p1Span3.text = para1String3;

            paragraph1.addChild(p1Span1);
            paragraph1.addChild(p1Span2);
            paragraph1.addChild(p1Span3);

            p2Span.text = para2String;
            paragraph2.addChild(p2Span);

            p3Span.text = para3String;

            var img:InlineGraphicElement = new InlineGraphicElement();
            img.source = "../../test/testFiles/assets/smiley.gif"
            img.width = 100;
            img.height = 100;

            paragraph3.addChild(p3Span);
            paragraph3.addChild(img);

            textFlow.addChild(paragraph1);
            textFlow.addChild(paragraph2);
            textFlow.addChild(paragraph3);

            textLayoutFormat.fontSize = 14;
            textLayoutFormat.textIndent = 15;
            textLayoutFormat.paragraphSpaceAfter = 15;
            textLayoutFormat.paddingTop = 4;
            textLayoutFormat.paddingLeft = 4;

            textFlow.hostFormat = textLayoutFormat;
            textFlow.interactionManager = new EditManager();
            _container1.x = 0;
            _container1.y = 100;
            _container2.x = 255;
            _container2.y = 100;
            textFlow.flowComposer.addController(controllerOne);
            textFlow.flowComposer.addController(controllerTwo);
            textFlow.flowComposer.updateAllControllers();

            _container3 = new Sprite();
            var controllerThree:ContainerController = new ContainerController(_container3, 200, 220);
            _container3.x = 510;
            _container3.y = 100;
            var textLayoutFormat1:TextLayoutFormat = new TextLayoutFormat();

            textLayoutFormat1.fontSize = 18;
            textLayoutFormat1.textIndent = 15;
            textLayoutFormat1.paragraphSpaceAfter = 15;
            textLayoutFormat1.paddingTop = 4;
            textLayoutFormat1.paddingLeft = 4;
            textFlow.hostFormat = textLayoutFormat1;
            textFlow.flowComposer.addController(controllerThree);

            _textFlowSprite = new Sprite();
            _textFlowSprite.addChild(_container1);
            _textFlowSprite.addChild(_container2);
            _textFlowSprite.addChild(_container3);

            _textFlow = textFlow;

        }

        private function initializeFlow():void
        {
            _flowComposer = _textFlow.flowComposer;
            _testCanvas = myEmptyChilds();
            _testCanvas.rawChildren.addChild(_textFlowSprite);

            // Set the writing direction specified by the test
            _textFlow.blockProgression = writingDirection[0];
            _textFlow.direction = writingDirection[1];

            _verticalText = (_textFlow.blockProgression == BlockProgression.RL);
            _rtlText = (_textFlow.direction == Direction.RTL);

            SelManager = EditManager(_textFlow.interactionManager);
            if (SelManager)
            {
                SelManager.selectRange(0, 0);
                //make sure there is never any blinking when running these tests
                setCaretBlinkRate(0);
            }

            _textFlow.flowComposer.updateAllControllers();
        }

        private function myEmptyChilds():Canvas
        {
            var TestCanvas:Canvas = null;
            TestDisplayObject = testApp.getDisplayObject();
            if (TestDisplayObject)
            {
                TestCanvas = Canvas(TestDisplayObject);
                TestCanvas.removeAllChildren();
                var iCnt:int = TestCanvas.rawChildren.numChildren;
                for (var a:int = 0; a < iCnt; a++)
                {
                    TestCanvas.rawChildren.removeChildAt(0);
                }
            }

            return TestCanvas;
        }

    }
}