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/*
* ModeSwitcher.bsh - a BeanShell macro script for changing the current
* buffer's edit mode.
*
* Copyright (C) 2004-6 Nicholas O'Leary nick.oleary@gmail.com
*
* :mode=beanshell:tabSize=3:indentSize=3:maxLineLen=0:noTabs=false:
* :indentOnTab=true:indentOnEnter=true:folding=explicit:collapseFolds=1:
*
* {{{ License
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the jEdit program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*
* Notes:
* There are two other ways to change the buffers mode:
* - enter 'buffer.mode=[mode]' in the action bar
* - change it in the Buffer Options dialog
* Whilst both of these do the job, I wanted a way to achieve it with minimum
* effort, and keypresses.
* It also has the benefit of auto-completion of mode names.
*
* $Id: Mode_Switcher.bsh 21353 2012-03-14 09:46:51Z jojaba_67 $
*/
import javax.swing.border.EmptyBorder;
//Localization
final static String MainDialogTitle = jEdit.getProperty("macro.rs.BufferModeSwitcher.MainDialog.title", "Buffer Mode Switcher");
final static String EnterBufferModeLabel = jEdit.getProperty("macro.rs.BufferModeSwitcher.EnterBufferMode.label", "Enter buffer mode:");
final static String ChangingBufferModeLabel = jEdit.getProperty("macro.rs.BufferModeSwitcher.ChangingBufferMode.label", "Changing mode of buffer");
final static String ToLabel = jEdit.getProperty("macro.rs.BufferModeSwitcher.To.label", "to");
final static String ModeLabel = jEdit.getProperty("macro.rs.BufferModeSwitcher.Mode.label", "Mode");
final static String NotFoundLabel = jEdit.getProperty("macro.rs.BufferModeSwitcher.NotFound.label", "Not found");
//class ModeSwitcherTextField extends JTextField
void modeSwitcher() {
JDialog dialog = new JDialog(view, MainDialogTitle, true);
dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
JPanel content = new JPanel(new BorderLayout());
content.setBorder(new EmptyBorder(12,12,12,12));
Mode[] modes = jEdit.getModes();
String[] names = new String[modes.length];
for(int i=0;i<modes.length;i++) {
names[i] = modes[i].getName();
}
Arrays.sort(names);
JTextField textfield = new JTextField() {
protected String[] names;
protected boolean shifted = false;
//{{{ setNames
public void setNames(String[] a){
names = a;
} //}}}
public boolean getFocusTraversalKeysEnabled(){return false;}
//{{{ processKeyEvent
protected void processKeyEvent(KeyEvent evt)
{
if (evt.getID() == KeyEvent.KEY_RELEASED) {
if (evt.getKeyCode() == KeyEvent.VK_SHIFT) {
shifted = false;
}
} else if(evt.getID() == KeyEvent.KEY_PRESSED) {
if (evt.getKeyCode() == KeyEvent.VK_SHIFT) {
shifted = true;
} else if(evt.getKeyCode() == KeyEvent.VK_TAB) {
// Get the current text
String txt = getText();
String original = txt;
// See if some text is selected
if (getSelectedText() != null)
txt = txt.substring(0,txt.length()-getSelectedText().length());
// txt represents the unhighlighted text in the box. This is used
// to find further matches.
// See if the current text is a known mode
int index = Arrays.binarySearch(names,original);
if (index < 0) index = 0;
int indexStep = 1;
if (shifted) indexStep = -1;
index+=indexStep;
if (index == names.length) index = 0;
if (index < 0) index = names.length-1;
int match = -1;
boolean foundExact = false;
boolean keepLooping = true;
// Loop through modes, starting at current+1
int i = index;
while(keepLooping) {
// Skip if the mode name is shorter than the current text
if (names[i].length()>=txt.length())
{
// If the mode matches, escape
if (names[i].substring(0,txt.length()).equals(txt)) {
match = i;
break;
}
}
// Loop the loop
i+=indexStep;
if (i == names.length) i = 0;
if (i < 0) i = names.length-1;
if (i==index) break;
}
// If a match has been found...
if (match >= 0) {
setText(names[match]);
setSelectionStart(txt.length());
setSelectionEnd(names[match].length());
}
return;
}
}
super.processKeyEvent(evt);
} //}}}
};
textfield.setColumns(20);
textfield.setNames(names);
Mode m = buffer.getMode();
// Set the inital text to the current mode, and highlight it, so a key
// press will clear the entry.
if (m != null) {
textfield.setText(m.getName());
textfield.setSelectionStart(0);
textfield.setSelectionEnd(m.getName().length());
}
content.add(new JLabel(EnterBufferModeLabel), BorderLayout.NORTH);
content.add(textfield, BorderLayout.CENTER);
Vector v = new Vector();
// KeyListener Interface
//{{{ keyPressed
void keyPressed(evt)
{
if(evt.getKeyCode() == KeyEvent.VK_ESCAPE)
dialog.dispose();
else if(evt.getKeyCode() == KeyEvent.VK_ENTER)
{
Mode m = jEdit.getMode(textfield.getText());
if (m!=null)
{
buffer.setMode(m);
Log.log(Log.NOTICE,
BeanShell.class,
ChangingBufferModeLabel+" ["+
buffer.getName()+"] "+ToLabel+" ["+
m.getName()+"]");
} else {
Log.log(Log.WARNING,
BeanShell.class,
ModeLabel+" ["+textfield.getText()+"] "+NotFoundLabel);
}
evt.consume();
dialog.dispose();
}
}//}}}
void keyReleased(evt) {}
void keyTyped(evt) {}
dialog.addKeyListener(this);
textfield.addKeyListener(this);
dialog.setContentPane(content);
dialog.pack();
dialog.setLocationRelativeTo(view);
textfield.grabFocus();
dialog.setVisible(true);
}
modeSwitcher();
/*
Macro index data (in DocBook format)
<listitem>
<para><filename>Mode_Switcher.bsh</filename></para>
Displays a modal dialog with the current buffer's mode in a text field,
allowing one to change the mode by typing in its name.
<keycap>ENTER</keycap> selects the current mode; if the text is not a
valid mode, the dialog still dismisses, but a warning is logged to the
activity log.
<keycap>ESACPE</keycap> closes the dialog with no further action.
<keycap>TAB</keycap> attempts to auto-complete the mode name. Pressing
<keycap>TAB</keycap> repeatedly cycles through the possible completions.
<keycap>SHIFT-TAB</keycap> cycles through the completions in reverse.
</para></abstract>
</listitem>
*/
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