Examples of java.awt.peer.TextComponentPeer

java.awt.peer.TextComponentPeer
The peer interfaces are intended only for use in porting the AWT. They are not intended for use by application developers, and developers should not implement peers nor invoke any of the peer methods directly on the peer instances.

     * @return       the position of the text insertion caret
     * @see #setCaretPosition(int)
     * @since        JDK1.1
     */
    public synchronized int getCaretPosition() {
        TextComponentPeer peer = (TextComponentPeer)this.peer;
  int position = 0;


  if (peer != null) {
      position = peer.getCaretPosition();
  } else {
      position = selectionStart;
  }
        int maxposition = getText().length();
        if (position > maxposition) {

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      throws IOException 
    {
        // Serialization support.  Since the value of the fields
        // selectionStart, selectionEnd, and text aren't necessarily
        // up to date, we sync them up with the peer before serializing.
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            text = peer.getText();
            selectionStart = peer.getSelectionStart();
            selectionEnd = peer.getSelectionEnd();
        }


        s.defaultWriteObject();


        AWTEventMulticaster.save(s, textListenerK, textListener);

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     * <code>TextComponent</code> without changing its
     * functionality.
     */
    public void removeNotify() {
        synchronized (getTreeLock()) {
            TextComponentPeer peer = (TextComponentPeer)this.peer;
            if (peer != null) {
                text = peer.getText();
                selectionStart = peer.getSelectionStart();
                selectionEnd = peer.getSelectionEnd();
            }
            super.removeNotify();
        }
    }

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     */
    public synchronized void setText(String t) {
        boolean skipTextEvent = (text == null || text.isEmpty())
                && (t == null || t.isEmpty());
        text = (t != null) ? t : "";
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        // Please note that we do not want to post an event
        // if TextArea.setText() or TextField.setText() replaces an empty text
        // by an empty text, that is, if component's text remains unchanged.
        if (peer != null && !skipTextEvent) {
            peer.setText(text);
        }
    }

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     *
     * @return the value of this <code>TextComponent</code>
     * @see     java.awt.TextComponent#setText
     */
    public synchronized String getText() {
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            text = peer.getText();
        }
        return text;
    }

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        if (editable == b) {
            return;
        }


        editable = b;
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            peer.setEditable(b);
        }
    }

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     * @return      the start position of the selected text
     * @see         java.awt.TextComponent#setSelectionStart
     * @see         java.awt.TextComponent#getSelectionEnd
     */
    public synchronized int getSelectionStart() {
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            selectionStart = peer.getSelectionStart();
        }
        return selectionStart;
    }

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     * @return      the end position of the selected text
     * @see         java.awt.TextComponent#setSelectionEnd
     * @see         java.awt.TextComponent#getSelectionStart
     */
    public synchronized int getSelectionEnd() {
        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            selectionEnd = peer.getSelectionEnd();
        }
        return selectionEnd;
    }

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        }


        this.selectionStart = selectionStart;
        this.selectionEnd = selectionEnd;


        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            peer.select(selectionStart, selectionEnd);
        }
    }

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     */
    public synchronized void selectAll() {
        this.selectionStart = 0;
        this.selectionEnd = getText().length();


        TextComponentPeer peer = (TextComponentPeer)this.peer;
        if (peer != null) {
            peer.select(selectionStart, selectionEnd);
        }
    }

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