/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/gui/AbstractContextOptionPane.java
Java | 339 lines | 229 code | 35 blank | 75 comment | 38 complexity | 3660d276526c3eb154223e6bffd204e5 MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * Copyright (C) 2000, 2001 Slava Pestov
- *
- * 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- package org.gjt.sp.jedit.gui;
- import javax.swing.border.*;
- import javax.swing.event.*;
- import javax.swing.*;
- import java.awt.event.*;
- import java.awt.*;
- import java.util.*;
- import org.gjt.sp.jedit.*;
- import org.gjt.sp.jedit.browser.VFSBrowser;
- import org.gjt.sp.util.StandardUtilities;
- /**
- * An abstract base class for context menu editors. Provides the base
- * UI and functionality for creating a context menu populated with
- * jEdit actions.
- *
- * @author Slava Pestov
- * @author Marcelo Vanzin
- * @version $Id: AbstractContextOptionPane.java 19655 2011-07-07 10:02:06Z kpouer $
- * @since jEdit 4.3pre13
- */
- public abstract class AbstractContextOptionPane extends AbstractOptionPane
- {
- private final ActionContext actionContext;
- /**
- * Constructor that takes a name as an argument, for use by
- * subclasses.
- *
- * @param name Name of the option pane.
- * @param caption String to use as the caption of the context menu
- * configuration list.
- * @since jEdit 4.3pre13
- */
- protected AbstractContextOptionPane(String name, String caption)
- {
- this(name, caption, jEdit.getActionContext());
- }
- /**
- * Constructor that takes a name as an argument, for use by
- * subclasses.
- *
- * @param name Name of the option pane.
- * @param caption String to use as the caption of the context menu
- * configuration list.
- * @param actionContext the actionContext
- * @since jEdit 4.5pre1
- */
- protected AbstractContextOptionPane(String name, String caption, ActionContext actionContext)
- {
- super(name);
- this.actionContext = actionContext;
- this.caption = new JLabel(caption);
- }
- /**
- * Initializes the pane's UI.
- */
- @Override
- protected void _init()
- {
- setLayout(new BorderLayout());
- add(BorderLayout.NORTH, caption);
- listModel = new DefaultListModel();
- reloadContextList(getContextMenu());
- list = new JList(listModel);
- list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
- list.addListSelectionListener(new ListHandler());
- add(BorderLayout.CENTER, new JScrollPane(list));
- buttons = new JPanel();
- buttons.setBorder(new EmptyBorder(3, 0, 0, 0));
- buttons.setLayout(new BoxLayout(buttons, BoxLayout.X_AXIS));
- ActionHandler actionHandler = new ActionHandler();
- add = new RolloverButton(GUIUtilities.loadIcon(jEdit.getProperty("options.context.add.icon")));
- add.setToolTipText(jEdit.getProperty("common.add"));
- add.addActionListener(actionHandler);
- buttons.add(add);
- buttons.add(Box.createHorizontalStrut(6));
- remove = new RolloverButton(GUIUtilities.loadIcon(jEdit.getProperty("options.context.remove.icon")));
- remove.setToolTipText(jEdit.getProperty("common.remove"));
- remove.addActionListener(actionHandler);
- buttons.add(remove);
- buttons.add(Box.createHorizontalStrut(6));
- moveUp = new RolloverButton(GUIUtilities.loadIcon(jEdit.getProperty("options.context.moveUp.icon")));
- moveUp.setToolTipText(jEdit.getProperty("common.moveUp"));
- moveUp.addActionListener(actionHandler);
- buttons.add(moveUp);
- buttons.add(Box.createHorizontalStrut(6));
- moveDown = new RolloverButton(GUIUtilities.loadIcon(jEdit.getProperty("options.context.moveDown.icon")));
- moveDown.setToolTipText(jEdit.getProperty("common.moveDown"));
- moveDown.addActionListener(actionHandler);
- buttons.add(moveDown);
- buttons.add(Box.createGlue());
- // add "reset to defaults" button
- reset = new RolloverButton(GUIUtilities.loadIcon(jEdit.getProperty("options.context.reset.icon")));
- reset.setToolTipText(jEdit.getProperty("options.context.reset"));
- reset.addActionListener(actionHandler);
- buttons.add(reset);
- updateButtons();
- add(BorderLayout.SOUTH, buttons);
- }
- /**
- * Returns the context menu to be edited. The default implementation
- * returns jEdit's context menu. Subclasses overriding this method
- * should also override {@link #saveContextMenu(String menu) saveContextMenu}.
- *
- * @since jEdit 4.3pre13
- */
- protected abstract String getContextMenu();
- /**
- * Saves the context menu configuration.
- *
- * @since jEdit 4.3pre13
- */
- protected abstract void saveContextMenu(String menu);
- /**
- * Adds a widget to the "buttons" panel at the bottom. The component
- * will be added at the very right of the button row (separated from
- * the normal buttons).
- *
- * @since jEdit 4.3pre13
- */
- protected void addButton(JComponent c)
- {
- buttons.add(c);
- }
- static class MenuItemCompare implements Comparator<MenuItem>
- {
- @Override
- public int compare(MenuItem obj1, MenuItem obj2)
- {
- return StandardUtilities.compareStrings(obj1.label, obj2.label, false);
- }
- }
- @Override
- protected void _save()
- {
- StringBuilder buf = new StringBuilder();
- for (int i = 0; i < listModel.getSize(); i++)
- {
- if (i != 0)
- buf.append(' ');
- buf.append(((MenuItem) listModel.elementAt(i)).actionName);
- }
- saveContextMenu(buf.toString());
- }
- // private members
- private DefaultListModel listModel;
- private JList list;
- private JButton add;
- private JButton remove;
- private JButton moveUp, moveDown;
- private JButton reset;
- private JLabel caption;
- private JPanel buttons;
- private void updateButtons()
- {
- int index = list.getSelectedIndex();
- remove.setEnabled(index != -1 && listModel.getSize() != 0);
- moveUp.setEnabled(index > 0);
- moveDown.setEnabled(index != -1 && index != listModel.getSize() - 1);
- }
- private void reloadContextList(String contextMenu)
- {
- listModel.clear();
- StringTokenizer st = new StringTokenizer(contextMenu);
- while (st.hasMoreTokens())
- {
- String actionName = st.nextToken();
- if (actionName.equals("-"))
- listModel.addElement(new AbstractContextOptionPane.MenuItem("-", "-"));
- else
- {
- EditAction action = actionContext.getAction(actionName);
- if (action == null)
- continue;
- String label = action.getLabel();
- if (label == null)
- continue;
- listModel.addElement(new AbstractContextOptionPane.MenuItem(actionName, label));
- }
- }
- }
- static class MenuItem
- {
- String actionName;
- String label;
- MenuItem(String actionName, String label)
- {
- this.actionName = actionName;
- this.label = GUIUtilities.prettifyMenuLabel(label);
- }
- public String toString()
- {
- return label;
- }
- }
- class ActionHandler implements ActionListener
- {
- @Override
- public void actionPerformed(ActionEvent evt)
- {
- Object source = evt.getSource();
- if (source == add)
- {
- ContextAddDialog dialog = new ContextAddDialog(
- AbstractContextOptionPane.this, actionContext);
- String selection = dialog.getSelection();
- if (selection == null)
- return;
- int index = list.getSelectedIndex();
- if (index == -1)
- index = listModel.getSize();
- else
- index++;
- MenuItem menuItem;
- if (selection.equals("-"))
- menuItem = new AbstractContextOptionPane.MenuItem("-", "-");
- else
- {
- EditAction action = actionContext.getAction(selection);
- String label = action
- .getLabel();
- menuItem = new AbstractContextOptionPane.MenuItem(selection,
- label);
- }
- listModel.insertElementAt(menuItem, index);
- list.setSelectedIndex(index);
- list.ensureIndexIsVisible(index);
- } else if (source == remove)
- {
- int index = list.getSelectedIndex();
- listModel.removeElementAt(index);
- if (listModel.getSize() != 0)
- {
- list.setSelectedIndex(
- Math.min(listModel.getSize() - 1,
- index));
- }
- updateButtons();
- } else if (source == moveUp)
- {
- int index = list.getSelectedIndex();
- Object selected = list.getSelectedValue();
- listModel.removeElementAt(index);
- listModel.insertElementAt(selected, index - 1);
- list.setSelectedIndex(index - 1);
- list.ensureIndexIsVisible(index - 1);
- } else if (source == moveDown)
- {
- int index = list.getSelectedIndex();
- Object selected = list.getSelectedValue();
- listModel.removeElementAt(index);
- listModel.insertElementAt(selected, index + 1);
- list.setSelectedIndex(index + 1);
- list.ensureIndexIsVisible(index + 1);
- } else if (source == reset)
- {
- String dialogType = "options.context.reset.dialog";
- int result = GUIUtilities.confirm(list, dialogType, null,
- JOptionPane.YES_NO_OPTION,
- JOptionPane.WARNING_MESSAGE);
- if (result == JOptionPane.YES_OPTION)
- {
- // the user should be able to cancel the options dialog
- // so we need to modify the list, not the actual property
- // since the default value is not available,
- // we reset, fetch default value and re-set to original
- String orgContext = jEdit.getProperty("view.context");
- jEdit.resetProperty("view.context");
- String defaultContext = jEdit.getProperty("view.context");
- jEdit.setProperty("view.context", orgContext);
- reloadContextList(defaultContext);
- // reset selection if user had more buttons than default
- list.setSelectedIndex(0);
- list.ensureIndexIsVisible(0);
- updateButtons();
- }
- }
- }
- }
- class ListHandler implements ListSelectionListener
- {
- @Override
- public void valueChanged(ListSelectionEvent evt)
- {
- updateButtons();
- }
- }
- }