Examples of com.ibm.richtext.styledtext.MConstText

com.ibm.richtext.styledtext.MConstText
MConstText is a base class for text with multiple character and paragraph styles. The text is a sequence of Unicode characters, represented by char. Character and paragraph styles are represented by the AttributeMap class.
Characters in the text are accessed with an integer index using the at method. Valid indices are between 0 and (length-1), where length is the number of characters in the text. Additionally, the characters in the text may be accessed through a java.text.CharacterIterator.
Every character in the text has a character style associated with it, represented by the AttributeMap class. The character style for a particular character can be obtained using the characterStyleAt method.
Each character in the text is contained in a paragraph. A paragraph is a range of text including and terminated by a paragraph separator (either \n or U+2029). Every paragraph has a paragraph style associated with it, represented by the AttributeMap class. Paragraph boundaries and styles can be obtained from the MConstText.
This class does not have methods for modifying the text or styles. However, subclasses may add this capability, so it is not safe to assume that an MConstText instance is immutable. In particular, the MText class adds modification protocol to this class. Clients can detect whether an MConstText has changed by keeping track of its timestamp.
A DataFlavor for clipboard content is defined in this class. Using this DataFlavor insures that all clients will recognize MConstText content on the clipboard. @see MText @see AttributeMap @see java.text.CharacterIterator @see java.awt.datatransfer.DataFlavor


        try {
            ResourceBundle bundle = ResourceBundle.getBundle(BUNDLE_NAME);


            Object document = bundle.getObject(docName+".sample");
            MConstText text;
            
            if (document instanceof String) {
                text = new StyledText((String)document, 
                                      AttributeMap.EMPTY_ATTRIBUTE_MAP);
            }

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    public static boolean testMTextToString(String mtextFile, String stringFile) {


        boolean success = false;


        File mtext = new File(mtextFile);
        MConstText text = FileUtils.loadMText(mtext);
        if (text != null) {
            String str = StringToMText.loadString(new File(stringFile));
            if (str != null) {
                success = compareMTextToString(text, str);
            }

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        String fileStr = dialog.getFile();
        String dirStr = dialog.getDirectory();


        if (fileStr != null) {
            File rval = new File(dirStr, fileStr);
            MConstText src = loadMText(rval);
            if (src != null) {
                dest.replaceAll(src);
                return rval;
            }
        }

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        try {
            FileInputStream inStream = new FileInputStream(file);
            ObjectInputStream objStream = new ObjectInputStream(inStream);


            MConstText text = (MConstText) objStream.readObject();
            inStream.close();
            return text;
        }
        catch(IOException e) {
            error = e;

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    }


    public static void writeMTextAsString(String inFile, String outFile) {


        File file = new File(inFile);
        MConstText text = FileUtils.loadMText(file);


        if (text != null) {
            char[] ch = new char[text.length()];
            text.extractChars(0, ch.length, ch, 0);
            String str = new String(ch);
            writeString(str, outFile);
        }
        else {
            System.out.println("Can't read inFile.");

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        else {
            String str = loadString(new File(args[0]));
            if (str == null) {
                throw new Error("Couldn't load String from file " + args[0]);
            }
            MConstText text = new StyledText(str, AttributeMap.EMPTY_ATTRIBUTE_MAP);
            FileUtils.saveMText(new File(args[1]), text);
        }
    }

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    public void test() {


        AttributeMap bold = new AttributeMap(TextAttribute.WEIGHT,
                                             TextAttribute.WEIGHT_BOLD);
        MConstText text1 = new StyledText("Test contents. 1234\nHow about it?",
                                              AttributeMap.EMPTY_ATTRIBUTE_MAP);
        MConstText text2 = new StyledText("Another test string.", bold);


        _testWithText(text1);
        _testWithText(text2);
        _testWithText(new StyledText());

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     * Text must be editable to pass this test.
     */
    public void _testModifications(MConstText insertionText,
                                   boolean restoreOldText) {


        MConstText oldText = new StyledText(fTextPanel.getText());
        final int insLength = insertionText.length();


        fListener.allowAll();
        fListener.expectEvent(TextPanelEvent.TEXT_CHANGED);
        fListener.expectEvent(TextPanelEvent.SELECTION_RANGE_CHANGED);
        fTextPanel.append(insertionText);
        fListener.assertNotExpectingEvents();
        
        if (fTextPanel.getSelectionStart() != oldText.length() + insLength) {
            reportError("Append didn't result in correct selection");
        }


        fListener.expectEvent(TextPanelEvent.TEXT_CHANGED);
        fListener.expectEvent(TextPanelEvent.SELECTION_RANGE_CHANGED);
        fTextPanel.insert(insertionText, 0);
        fListener.assertNotExpectingEvents();
        fListener.allowAll();
        
        if (fTextPanel.getSelectionStart() != insLength) {
            reportError("Insert didn't result in correct selection");
        }


        fTextPanel.replaceRange(insertionText, insLength, insLength+oldText.length());
        if (fTextPanel.getSelectionStart() != insLength*2) {
            reportError("Replace didn't result in correct selection");
        }
        if (fTextPanel.getSelectionEnd() != insLength*2) {
            reportError("Replace didn't result in correct selection");
        }
        if (fTextPanel.getTextLength() != insLength*3) {
            reportError("textLength is incorrect");
        }


        if (restoreOldText) {
            fTextPanel.setText(oldText);
            if (fTextPanel.getSelectionStart() != oldText.length()) {
                reportError("setText didn't result in correct selection");
            }
            if (fTextPanel.getTextLength() != oldText.length()) {
                reportError("length incorrect after setText");
            }
        }
        
        fListener.allowAll();

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        //catch(Error e) {
        //    logMessage("iterationCount="+iterationCount+";  expexting="+exp);
        //    throw e;
        //}


        MConstText insText = new StyledText("7",
                                AttributeMap.EMPTY_ATTRIBUTE_MAP);


        final int origLength = fTextPanel.getTextLength();
        int start = origLength / 3;
        
        fListener.allowEvent(TextPanelEvent.SELECTION_RANGE_CHANGED);
        fListener.allowEvent(TextPanelEvent.SELECTION_STYLES_CHANGED);


        for (int i=start; i < BIG_COMMAND_LOG_SIZE+start; i++) {
            fListener.expectEvent(TextPanelEvent.UNDO_STATE_CHANGED);
            fListener.expectEvent(TextPanelEvent.TEXT_CHANGED);
            if (fTextPanel.getSelectionStart() != fTextPanel.getSelectionEnd()) {
                fListener.expectEvent(TextPanelEvent.SELECTION_EMPTY_CHANGED);
            }
            fTextPanel.insert(insText, i);
            fListener.assertNotExpectingEvents();
        }


        fListener.allowEvent(TextPanelEvent.SELECTION_EMPTY_CHANGED);
        
        for (int i=0; i < BIG_COMMAND_LOG_SIZE-1; i++) {
            fListener.expectEvent(TextPanelEvent.UNDO_STATE_CHANGED);
            fListener.expectEvent(TextPanelEvent.TEXT_CHANGED);
            fTextPanel.undo();
            fListener.assertNotExpectingEvents();
        }
        if (!fTextPanel.canUndo()) {
            reportError("Command log is too small");
        }
        
        fListener.allowAll();
        fTextPanel.undo();
        if (fTextPanel.canUndo()) {
            reportError("Command log is too large");
        }


        if (fTextPanel.getTextLength() != origLength * insText.length()) {
            reportError("Text length was not restored");
        }


        for (int i=0; i < BIG_COMMAND_LOG_SIZE; i++) {
            fTextPanel.redo();

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    public static void main(String[] args) {


        // not used OutputStream outStream = null;
        PrintWriter writer = new PrintWriter(System.out);


        MConstText text = Declaration.fgDeclaration;
        char[] insText = "The quick brown fox jumps over the lazy dog. The end. ".toCharArray();
        
        int index = 0;
        while (index < args.length) {
            if (args[index].equals("-insertionText")) {

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com.ibm.richtext.demo.TextDocument

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com.ibm.richtext.test.TypingPerfTest

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com.ibm.richtext.test.unit.TestMText

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