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| /*
* Created on 16 févr. 2007
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Enumeration;
import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
public class TextEditor extends JTextPane implements MouseListener
{
//private JTextPane mo_editor;
private JLabel mo_infos;
private Vector mo_textElements;
private JPanel mo_editor;
private JScrollPane mo_weditorScroll;
public final static void main (String [] ps_args)
{
JFrame f = new JFrame ();
TextEditor p = new TextEditor ();
f.getContentPane().add (p.getEditor());
f.pack();
f.setVisible (true);
// p.setText(createAddExpression ());
}
//private static TextElement [] createAddExpression ()
//{
// TextElement [] lo_welems = new TextElement [20];
//
// lo_welems [0] = new TextElement ();
// lo_welems [0].setDisplayedText("Addition de ");
// lo_welems [0].setType("TEXT");
//
// lo_welems [1] = new TextElement ();
// lo_welems [1].setDisplayedText("[");
// lo_welems [1].setType("CROCHET OUVRANT");
//
// lo_welems [2] = new TextElement ();
// lo_welems [2].setDisplayedText("valeur1");
// lo_welems [2].setType("valeur1");
//
// lo_welems [3] = new TextElement ();
// lo_welems [3].setDisplayedText(" ");
// lo_welems [3].setType("ESPACE");
//
// lo_welems [4] = new TextElement ();
// lo_welems [4].setDisplayedText("ou");
// lo_welems [4].setType("OPERATEUR LOGIQUE");
//
// lo_welems [5] = new TextElement ();
// lo_welems [5].setDisplayedText(" ");
// lo_welems [5].setType("ESPACE");
//
// lo_welems [6] = new TextElement ();
// lo_welems [6].setDisplayedText("expression1");
// lo_welems [6].setType("expression1");
//
// lo_welems [2].addLink(lo_welems [3]);
// lo_welems [2].addLink(lo_welems [4]);
// lo_welems [2].addLink(lo_welems [5]);
// lo_welems [2].addLink(lo_welems [6]);
//
// lo_welems [7] = new TextElement ();
// lo_welems [7].setDisplayedText("]");
// lo_welems [7].setType("CROCHET FERMANT");
//
// lo_welems [8] = new TextElement ();
// lo_welems [8].setDisplayedText(" avec ");
// lo_welems [8].setType("TEXT");
//
// lo_welems [9] = new TextElement ();
// lo_welems [9].setDisplayedText("[");
// lo_welems [9].setType("CROCHET OUVRANT");
//
// lo_welems [10] = new TextElement ();
// lo_welems [10].setDisplayedText("valeur2");
// lo_welems [10].setType("valeur2");
//
// lo_welems [11] = new TextElement ();
// lo_welems [11].setDisplayedText(" ");
// lo_welems [11].setType("ESPACE");
//
// lo_welems [12] = new TextElement ();
// lo_welems [12].setDisplayedText("ou");
// lo_welems [12].setType("OPERATEUR LOGIQUE");
//
// lo_welems [13] = new TextElement ();
// lo_welems [13].setDisplayedText(" ");
// lo_welems [13].setType("ESPACE");
//
// lo_welems [14] = new TextElement ();
// lo_welems [14].setDisplayedText("expression2");
// lo_welems [14].setType("expression2");
//
// lo_welems [15] = new TextElement ();
// lo_welems [15].setDisplayedText("]");
// lo_welems [15].setType("CROCHET FERMANT");
//
// return lo_welems;
//}
public TextEditor ()
{
mo_textElements = new Vector ();
initComponents ();
insertComponents ();
initListeners ();
}
private void initComponents ()
{
// mo_editor = new JTextPane();
this.setEditable (false);
mo_infos = new JLabel (".");
mo_editor = new JPanel ();
}
public void setPreferredSize(Dimension po_dim)
{
mo_weditorScroll.setPreferredSize(po_dim);
}
private void insertComponents ()
{
mo_editor.setLayout(new BorderLayout());
mo_weditorScroll = new JScrollPane (this);
mo_editor.add (mo_weditorScroll, BorderLayout.CENTER);
mo_editor.add (mo_infos, BorderLayout.SOUTH);
}
public JPanel getEditor ()
{
return mo_editor;
}
private void initListeners ()
{
this.addMouseListener( this);
}
public void setText (TextElement [] po_textElems)
{
mo_textElements.clear();
StringBuffer lo_wtext = new StringBuffer();
for (int i=0, imax = po_textElems.length; i < imax; i++)
{
if (po_textElems [i] != null)
{
mo_textElements.add (po_textElems [i]);
lo_wtext.append (po_textElems [i].getDisplayedText());
}
}
this.setText (lo_wtext.toString());
}
public void refresh ()
{
StringBuffer lo_wtext = new StringBuffer();
TextElement lo_wtextComponent = null;
for (int i=0, imax = mo_textElements.size(); i < imax; i++)
{
lo_wtextComponent = (TextElement) mo_textElements.get(i);
if (lo_wtextComponent != null)
{
lo_wtext.append (lo_wtextComponent.getDisplayedText());
}
}
this.setText (lo_wtext.toString());
}
private TextElement getTextElement (int pi_position)
{
TextElement lo_wcurrentTextElement = null;
int li_wcurrentPosition = 0;
for (int i=0, imax = mo_textElements.size(); i < imax; i++)
{
lo_wcurrentTextElement = (TextElement) mo_textElements.get(i);
if (lo_wcurrentTextElement != null)
{
li_wcurrentPosition+=lo_wcurrentTextElement.getDisplayedText().length();
if (pi_position <= li_wcurrentPosition)
{
return lo_wcurrentTextElement;
}
}
}
return null;
}
private int purgeLinkedElements (TextElement po_elem, int [] pi_positions, boolean pb_includeSelf)
{
int li_wcounter = 0;
Enumeration lo_wlinkedElements = po_elem.getLinkedElements();
TextElement lo_wcurrentElement = null;
int li_wposition = 0;
if (lo_wlinkedElements != null)
{
while (lo_wlinkedElements.hasMoreElements())
{
lo_wcurrentElement = (TextElement) lo_wlinkedElements.nextElement();
li_wposition = mo_textElements.indexOf(lo_wcurrentElement);
if (li_wposition > -1)
{
if (!po_elem.equals (lo_wcurrentElement) || pb_includeSelf)
{
mo_textElements.remove(lo_wcurrentElement);
if (pi_positions != null && (pi_positions [0]==-1 || pi_positions [0] > li_wposition))
{
pi_positions [0] = li_wposition;
}
li_wcounter++;
}
}
}
po_elem.freeLinkedElements ();
}
return li_wcounter;
}
/**
* Invoked when the mouse button has been clicked (pressed
* and released) on a component.
*/
public void mouseClicked(MouseEvent e)
{
}
/**
* Invoked when a mouse button has been pressed on a component.
*/
public void mousePressed(MouseEvent e)
{
int li_wposition = this.getCaretPosition();
TextElement lo_welem = getTextElement (li_wposition);
if (lo_welem != null)
{
mo_infos.setText ("Type = " + lo_welem.getType() + " Position = " + mo_textElements.indexOf(lo_welem));
if (lo_welem.getType().startsWith ("valeur"))
{
String ls_wresponse = JOptionPane.showInputDialog (this, "Nouvelle valeur",lo_welem.getDisplayedText());
if (ls_wresponse != null)
{
lo_welem.setDisplayedText(ls_wresponse);
purgeLinkedElements (lo_welem, null,false);
refresh();
}
}
else if (lo_welem.getType().startsWith ("expression"))
{
li_wposition = mo_textElements.indexOf(lo_welem);
// TextElement [] lo_welements = createAddExpression ();
int [] li_wpositions = {-1};
if (purgeLinkedElements (lo_welem, li_wpositions, true) > 0)
{
// for (int i=lo_welements.length-1; i >=0; i--)
// {
// mo_textElements.add (li_wpositions [0], lo_welements [i]);
// }
}
refresh();
}
}
else
{
mo_infos.setText ("Aucun élement ne correspond à la sélection");
}
}
/**
* Invoked when a mouse button has been released on a component.
*/
public void mouseReleased(MouseEvent e)
{
}
/**
* Invoked when the mouse enters a component.
*/
public void mouseEntered(MouseEvent e)
{
}
/**
* Invoked when the mouse exits a component.
*/
public void mouseExited(MouseEvent e)
{
}
} |
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