Examples of DisplayProject.controls.MultiLineTextField

DisplayProject.controls.MultiLineTextField
Subclass of {@link javax.swing.JTextArea} that attempts to behave in the same way asthe corresponding Forte component(s). In particular, the behaviour that is replicated is to keep the carat at the beginning of the text area when initially displaying text that is bound to a property in a model bean. This ensures that any associated {@link javax.swing.JViewPort}displays the beginning and not the end of the text (as in Forte). When a user changes the value of the bean property via this text area, the behaviour should be the same as in JTextArea. BoundPropertyTextArea is implemented to work with the property binding framework, particularly {@link DisplayProject.binding.adapter.DocumentAdapter}. DocumentAdapter is a wrapper around a {@link javax.swing.text.Document} which listensfor {@link java.beans.PropertyChangeEvent}s fired by an associated {@link com.jgoodies.binding.value.ValueModel}and updates the underlying document to reflect the changes. DocumentAdapter detects changes by the user by intercepting {@link javax.swing.event.DocumentEvent}s and updates the ValueModel accordingly.
The Forte behaviour is realised by associating an instance of ValueModel with an instance of BoundPropertyTextArea. BoundPropertyTextArea makes use of two internal {@link java.beans.PropertyChangeListener}s and a {@link javax.swing.event.DocumentListener}. These determine whether a change to the associated bean model property was caused by the user typing in the text area or by a change in the backend. One PropertyChangeListener intercepts PropertyChangeEvents before the DocumentAdapter. The second PropertyChangeListener intercepts PropertyChangeEvents after the DocumentAdapter. It is the responsibility of the client to ensure that these listeners are registered in the correct sequence.
Refer to {@link DisplayProject.binding.TextComponentBinder} for an example ofusage.
The other advantage of this class is that it fires the same events as the Forte event model at the same time. @see DisplayProject.binding.TextComponentBinder @author Tim Faulkes


    public static MultiLineTextField newCharacterField(TextData value){
        return newCharacterField(value.toString());
    }
    public static MultiLineTextField newCharacterField(String value){
        MultiLineTextField characterField = newTextEditField("");
        characterField.setText(value);
        return characterField;
    }

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     */
    public void bind(JComponent control, ValueModel valueModel)
    {
        // Respect the document that already exists on the control, if any
        JTextComponent textControl = (JTextComponent)control;
        MultiLineTextField textArea = null;
        if (textControl instanceof MultiLineTextField) {
            textArea = (MultiLineTextField)textControl;
            // Text area is associated with valueModel so that the former can distinguish between
            // user entered text and model supplied text. Cursor is to be placed at the beginning of model
            // supplied text.
            textArea.setValueModel(valueModel);
            // Register the first PropertyChangeListener on valueModel BEFORE the DocumentAdapter has registered.
            textArea.registerPropertyChangeHandler();
        }
        if (textControl.getDocument() != null) {
          // TF:13/11/2009:LUM-48:Added the parameter to the TextDataToStringConverter to allow the use of identity comparisons when firing property change events 
            Bindings.bind((JTextComponent) control,new TextDataToStringConverter(valueModel, textArea != null), textControl.getDocument(), false);
        }
        else {
          // TF:13/11/2009:LUM-48:Added the parameter to the TextDataToStringConverter to allow the use of identity comparisons when firing property change events 
            Bindings.bind((JTextComponent) control,new TextDataToStringConverter(valueModel, textArea != null),false);
        }
        if (textArea != null) {
            // Register the second PropertyChangeListener on valueModel AFTER the DocumentAdapter has registered.
            textArea.registerCaratPositionHandler();
        }
    }

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            params.put("column", new ParameterHolder(outlineField.getColumnIndex(X + OutlineField.cCOLUMN_SPACING)+1));
            params.put("sizes", new ParameterHolder(outlineField.getColumnSizes()));
            params.put("spacing", new ParameterHolder(OutlineField.cCOLUMN_SPACING));
        }
        else if (pControl instanceof MultiLineTextField){
            MultiLineTextField field = (MultiLineTextField)pControl;
            try {
                int offset = field.getCaretPosition()-1;
                int lRow = field.getLineOfOffset(offset);
                int lCol = offset - field.getLineStartOffset(lRow);
                params.put("row", new ParameterHolder(lRow));
                params.put("column", new ParameterHolder(lCol));
            }
            catch (BadLocationException ble) {
                Logger.getLogger(ClickListener.class).error("Bad location for text field", ble);

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        // --------------------------------------------------------------------
        // Expand text fields
        // --------------------------------------------------------------------
        else if (comp instanceof MultiLineTextField) {
          MultiLineTextField tf = (MultiLineTextField)comp;
          
          if (tf.getParent() != null && tf.getParent().getParent() instanceof JScrollPane) {
            JScrollPane sp = (JScrollPane)tf.getParent().getParent();
            sp.setSize(tf.getPreferredSize());
            sp.setMinimumSize(tf.getPreferredSize());
            sp.setPreferredSize(tf.getPreferredSize());


            if (removeScrollBars) {
                    sp.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
                    sp.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER);
                }
          }
            Container parent = tf.getParent();


            while (parent != null) {
                if (parent instanceof JFrame) {
                    ((JFrame)parent).validate();
                    ((JFrame)parent).pack();

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    private TextEditFactory() {
        super();
    }
    public static MultiLineTextField newTextField(String name, int rows, int columns){
        // Switched to use MultiLineTextField.  CraigM: 17/01/2008.
        final MultiLineTextField ta = new MultiLineTextField(name, rows, columns);
        // TF:12/12/2008:Word wrap is off by default in a text edit field
        ta.setLineWrap(false);
        ta.setWrapStyleWord(false);
        //PM:12/10/07 moved to constuctor 
        //ta.setDisabledTextColor(SystemColor.windowText);
        ta.setFont(getDefaultFont());


        // TF:26/9/07:Default the color to transparent (inherit)
        //ta.setBackground(null); PM:30/10/07 not sure this is correct


        return ta; //PM:18/1/08 changed to return MultiLineTextField in place of a JTextArea

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        return ta; //PM:18/1/08 changed to return MultiLineTextField in place of a JTextArea 
    }


    public static MultiLineTextField newTextEditField(String name, int rows, int columns) {
        // Switched to use MultiLineTextField.  CraigM: 17/01/2008.
        MultiLineTextField ta = new MultiLineTextField(name, rows, columns);
        //PM:12/10/07 moved to constuctor 
        //ta.setDisabledTextColor(SystemColor.windowText);
        ta.setFont(getDefaultFont());
        return ta; //PM:18/1/08 changed to return MultiLineTextField in place of a JTextArea
    }

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        return ta; //PM:18/1/08 changed to return MultiLineTextField in place of a JTextArea
    }


    public static MultiLineTextField newTextEditField(String name){
        // Switched to use MultiLineTextField.  CraigM: 17/01/2008.
        MultiLineTextField tp = new MultiLineTextField(name);
        //PM:12/10/07 moved to constuctor 
        //tp.setDisabledTextColor(SystemColor.windowText);
        tp.setFont(getDefaultFont());
        return tp; //PM:18/1/08 changed to return MultiLineTextField in place of a JTextArea
    }

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    public static MultiLineTextField newCharacterField(TextData value){
        return newCharacterField(value.toString());
    }
    public static MultiLineTextField newCharacterField(String value){
        MultiLineTextField characterField = newTextEditField("");
        characterField.setText(value);
        return characterField;
    }

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    private boolean printingRemoveScrollBars;


    public TextFieldCellRenderer(JScrollPane pScrollPane) {
      // CraigM:25/07/2008 - Force any pending actions on the widget through (like colour changes), so when we clone the widget, we get the latest info
      UIutils.processGUIActions(pScrollPane);
        MultiLineTextField tf = (MultiLineTextField)pScrollPane.getViewport().getComponent(0);


        this.sp = new JScrollPane(tf.cloneComponent());
        ArrayFieldCellHelper.setUpCellRenderer(pScrollPane, this.sp); // CraigM: 28/03/2008
        this.sp.setPreferredSize(pScrollPane.getPreferredSize());
        this.sp.setMinimumSize(pScrollPane.getMinimumSize());
        this.sp.setSize(pScrollPane.getSize());
        this.sp.setHorizontalScrollBarPolicy(pScrollPane.getHorizontalScrollBarPolicy());

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                this.getMultiLineTextField().setBackgroundTemporarily(SystemColor.window);
            }
        }
        
        if (this.isPrinting && this.sp.getViewport().getComponentCount() > 0) {
          MultiLineTextField tf = this.getMultiLineTextField();
        sp.setSize(tf.getPreferredSize());
        sp.setMinimumSize(tf.getPreferredSize());
        sp.setPreferredSize(tf.getPreferredSize());
        
        if (printingRemoveScrollBars) {
          sp.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
          sp.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER);
        }

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