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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library 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 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library 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 WebLookAndFeel library. If not, see .
*/
package com.alee.extended.tab;
import com.alee.laf.menu.WebPopupMenu;
import com.alee.laf.splitpane.WebSplitPane;
import com.alee.laf.tabbedpane.WebTabbedPane;
import com.alee.managers.focus.DefaultFocusTracker;
import com.alee.managers.focus.FocusManager;
import com.alee.managers.hotkey.Hotkey;
import com.alee.managers.hotkey.HotkeyManager;
import com.alee.managers.hotkey.HotkeyRunnable;
import com.alee.managers.style.StyleId;
import com.alee.utils.CollectionUtils;
import com.alee.utils.SwingUtils;
import com.alee.utils.swing.Customizer;
import com.alee.utils.swing.menu.PopupMenuGenerator;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.List;
import static com.alee.laf.splitpane.WebSplitPane.HORIZONTAL_SPLIT;
/**
* Data for single tabbed pane within document pane.
* It basically contains tabbed pane and opened documents list.
*
* @author Mikle Garin
* @see How to use WebDocumentPane
* @see com.alee.extended.tab.WebDocumentPane
*/
public final class PaneData implements StructureData, SwingConstants
{
/**
* WebDocumentPane this PaneData belongs to.
* Referenced to properly act when WebDocumentPane is required to retrieve customizers or perform any operation.
*/
protected WebDocumentPane documentPane;
/**
* Actual tabbed pane component.
*/
protected final WebTabbedPane tabbedPane;
/**
* Pane focus tracker.
*/
protected final DefaultFocusTracker focusTracker;
/**
* Pane documents.
*/
protected List data = new ArrayList ();
/**
* Constructs new PaneData for the specified WebDocumentPane.
*
* @param documentPane parent WebDocumentPane
*/
public PaneData ( final WebDocumentPane documentPane )
{
super ();
// Parent document pane reference
this.documentPane = documentPane;
// Creating tabbed pane
// todo This style parent might change on drag into other document pane
tabbedPane = new WebTabbedPane ( StyleId.documentpaneTabbedPane.at ( documentPane ) );
tabbedPane.putClientProperty ( WebDocumentPane.DATA_KEY, this );
// Customizing tabbed pane
updateTabbedPaneCustomizer ( documentPane );
// Some hotkeys
HotkeyManager.registerHotkey ( tabbedPane, tabbedPane, Hotkey.CTRL_W, new HotkeyRunnable ()
{
@Override
public void run ( final KeyEvent e )
{
closeSelected ();
}
} );
// Tabs drag & drop
DocumentDragHandler.install ( this );
// Activating document pane on
tabbedPane.addChangeListener ( new ChangeListener ()
{
@Override
public void stateChanged ( final ChangeEvent e )
{
checkSelection ();
}
} );
// Tab menu
tabbedPane.addMouseListener ( new MouseAdapter ()
{
@Override
public void mousePressed ( final MouseEvent e )
{
if ( SwingUtils.isMiddleMouseButton ( e ) )
{
if ( getDocumentPane ().isCloseable () )
{
final int index = tabbedPane.getTabAt ( e.getPoint () );
if ( index != -1 )
{
final T document = get ( index );
if ( document.isCloseable () )
{
close ( document );
}
}
}
}
else if ( SwingUtils.isPopupTrigger ( e ) )
{
// Checking that menu is enabled
final WebDocumentPane documentPane = getDocumentPane ();
if ( !documentPane.isTabMenuEnabled () )
{
return;
}
// Checking that user actually clicked on a tab
final int index = tabbedPane.getTabAt ( e.getPoint () );
if ( index == -1 )
{
return;
}
// Variables
final T document = get ( index );
final boolean close = documentPane.isCloseable () && document.isCloseable ();
final boolean closeOthers = documentPane.isCloseable () && data.size () > 1;
final boolean split = data.size () > 1 && documentPane.isSplitEnabled ();
final boolean unsplit = tabbedPane.getParent () instanceof WebSplitPane;
final boolean hor = unsplit && ( ( WebSplitPane ) tabbedPane.getParent () ).getOrientation () == HORIZONTAL_SPLIT;
// Creating popup menu
final PopupMenuGenerator pmg = new PopupMenuGenerator ( StyleId.documentpaneMenu.at ( tabbedPane ) );
pmg.setIconSettings ( PaneData.class, "icons/menu/", ".png" );
pmg.setLanguagePrefix ( "weblaf.ex.docpane" );
pmg.addItem ( "close", "close", Hotkey.CTRL_W, close, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
close ( get ( index ) );
}
} );
pmg.addItem ( "closeOthers", "closeOthers", closeOthers, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
closeOthers ( get ( index ) );
}
} );
pmg.addSeparator ();
pmg.addItem ( "left", "left", split, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
split ( document, LEFT );
}
} );
pmg.addItem ( "right", "right", split, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
split ( document, RIGHT );
}
} );
pmg.addItem ( "top", "top", split, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
split ( document, TOP );
}
} );
pmg.addItem ( "bottom", "bottom", split, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
split ( document, BOTTOM );
}
} );
pmg.addSeparator ();
pmg.addItem ( "rotate", "rotate", unsplit, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
rotate ();
}
} );
pmg.addItem ( hor ? "swapHor" : "swapVer", "swap", unsplit, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
swap ();
}
} );
pmg.addItem ( hor ? "unsplitHor" : "unsplitVer", "unsplit", unsplit, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
merge ();
}
} );
pmg.addItem ( "unsplit", "unsplitall", unsplit, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
mergeAll ();
}
} );
// Displaying popup menu
final WebPopupMenu menu = pmg.getMenu ();
final Dimension mps = menu.getPreferredSize ();
final Rectangle bounds = tabbedPane.getBoundsAt ( index );
menu.show ( tabbedPane, bounds.x + bounds.width / 2 - mps.width / 2, bounds.y + bounds.height + 5 );
}
}
} );
// Adding focus tracker
focusTracker = new DefaultFocusTracker ( true )
{
@Override
public void focusChanged ( final boolean focused )
{
if ( focused )
{
activate ();
}
checkSelection ();
}
};
FocusManager.addFocusTracker ( tabbedPane, focusTracker );
}
/**
* Checks document pane selection.
*/
public void checkSelection ()
{
final WebDocumentPane documentPane = getDocumentPane ();
if ( documentPane != null )
{
documentPane.checkSelection ();
}
}
/**
* Updates tabbed pane customizer.
*
* @param documentPane parent WebDocumentPane
*/
protected void updateTabbedPaneCustomizer ( final WebDocumentPane documentPane )
{
final Customizer customizer = documentPane.getTabbedPaneCustomizer ();
if ( customizer != null )
{
customizer.customize ( tabbedPane );
}
}
@Override
public Component getComponent ()
{
return getTabbedPane ();
}
@Override
public PaneData findClosestPane ()
{
return this;
}
/**
* Returns parent WebDocumentPane.
*
* @return parent WebDocumentPane
*/
public WebDocumentPane getDocumentPane ()
{
return documentPane;
}
/**
* Sets parent WebDocumentPane reference.
*
* @param documentPane parent WebDocumentPane reference
*/
public void setDocumentPane ( final WebDocumentPane documentPane )
{
this.documentPane = documentPane;
updateTabbedPaneCustomizer ( documentPane );
updateTabTitleComponents ();
}
/**
* Returns actual tabbed pane component.
*
* @return actual tabbed pane component
*/
public WebTabbedPane getTabbedPane ()
{
return tabbedPane;
}
/**
* Returns pane documents.
*
* @return pane documents
*/
public List getData ()
{
return data;
}
/**
* Returns pane document IDs.
*
* @return pane document IDs
*/
public List getDocumentIds ()
{
final List ids = new ArrayList ( data.size () );
for ( final T document : data )
{
ids.add ( document.getId () );
}
return ids;
}
/**
* Returns pane documents count.
*
* @return pane documents count
*/
public int count ()
{
return data.size ();
}
/**
* Returns whether specified document is in this pane or not.
*
* @param document document to look for
* @return true if specified document is in this pane, false otherwise
*/
public boolean contains ( final T document )
{
return contains ( document.getId () );
}
/**
* Returns whether document with the specified ID is in this pane or not.
*
* @param documentId ID of the document to look for
* @return true if document with the specified ID is in this pane, false otherwise
*/
public boolean contains ( final String documentId )
{
for ( final T document : data )
{
if ( document.getId ().equals ( documentId ) )
{
return true;
}
}
return false;
}
/**
* Adds new document into this pane.
*
* @param document document to add
*/
public void add ( final T document )
{
add ( document, -1 );
}
/**
* Adds new document into this pane at the specified index.
*
* @param document document to add
* @param index index to add at
*/
public void add ( final T document, final int index )
{
final int i = index != -1 ? index : tabbedPane.getTabCount ();
data.add ( i, document );
tabbedPane.insertTab ( "", document.getIcon (), document.getComponent (), null, i );
tabbedPane.setBackgroundAt ( i, document.getBackground () );
tabbedPane.setTabComponentAt ( i, createTabComponent ( document ) );
// Listening to document data changes
document.addListener ( new PaneDataAdapter ( this ) );
}
/**
* Returns new tab component.
*
* @param document document to create tab component for
* @return new tab component
*/
protected JComponent createTabComponent ( final T document )
{
final MouseAdapter tabSelector = new MouseAdapter ()
{
@Override
public void mouseClicked ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mousePressed ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseReleased ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseEntered ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseExited ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseWheelMoved ( final MouseWheelEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseDragged ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
@Override
public void mouseMoved ( final MouseEvent e )
{
redirectMouseEvent ( e );
}
/**
* Redirects mouse event from custom tab component to tabbed pane.
* That allows tabbed pane to handle selection, menu and drag events properly.
*
* @param e mouse event
*/
protected void redirectMouseEvent ( final MouseEvent e )
{
final WebTabbedPane tabbedPane = getDocumentPane ().getPane ( document ).getTabbedPane ();
tabbedPane.dispatchEvent ( SwingUtilities.convertMouseEvent ( e.getComponent (), e, tabbedPane ) );
}
};
return getDocumentPane ().getTabTitleComponentProvider ().createTabTitleComponent ( this, document, tabSelector );
}
/**
* Updates all tab title components.
*/
public void updateTabTitleComponents ()
{
for ( final T document : getData () )
{
updateTabTitleComponent ( document );
}
}
/**
* Updates tab title component for the specified document.
*
* @param document document to update tab title component for
*/
public void updateTabTitleComponent ( final T document )
{
getTabbedPane ().setTabComponentAt ( indexOf ( document ), createTabComponent ( document ) );
}
/**
* Updates tab background for the specified document.
*
* @param document document to update tab background for
*/
public void updateTabBackground ( final T document )
{
getTabbedPane ().setBackgroundAt ( indexOf ( document ), document.getBackground () );
}
/**
* Updates tab view for the specified document.
*
* @param document document to update tab view for
*/
public void updateTabComponent ( final T document )
{
getTabbedPane ().setComponentAt ( indexOf ( document ), document.getComponent () );
}
/**
* Opens document in this pane.
* Unlike add method this one informs listeners about opened document.
*
* @param document document to open
*/
public void open ( final T document )
{
// Opening document
add ( document );
// Informing listeners about document open event
getDocumentPane ().fireDocumentOpened ( document, this, indexOf ( document ) );
}
/**
* Returns pane document at the specified index.
*
* @param index document index
* @return pane document at the specified index
*/
public T get ( final int index )
{
return data.get ( index );
}
/**
* Returns pane document with the specified ID.
*
* @param id document ID
* @return pane document with the specified ID
*/
public T get ( final String id )
{
for ( final T document : data )
{
if ( document.getId ().equals ( id ) )
{
return document;
}
}
return null;
}
/**
* Returns pane's selected document.
*
* @return pane's selected document
*/
public T getSelected ()
{
final int index = tabbedPane.getSelectedIndex ();
return index != -1 ? data.get ( index ) : null;
}
/**
* Returns pane's selected document index.
*
* @return pane's selected document index
*/
public int getSelectedIndex ()
{
return tabbedPane.getSelectedIndex ();
}
/**
* Sets pane's selected document ID.
*
* @param id ID of the document to select
*/
public void setSelected ( final String id )
{
setSelected ( indexOf ( id ) );
}
/**
* Sets selected document.
*
* @param document document to select
*/
public void setSelected ( final T document )
{
setSelected ( indexOf ( document ) );
}
/**
* Sets selected document index.
*
* @param index index of the document to select
*/
public void setSelected ( final int index )
{
if ( 0 <= index && index < tabbedPane.getTabCount () )
{
tabbedPane.setSelectedIndex ( index );
}
else if ( tabbedPane.getTabCount () > 0 )
{
tabbedPane.setSelectedIndex ( 0 );
}
}
/**
* Decrements selected document index inside the active pane.
*/
public void selectPrevious ()
{
final int count = count ();
if ( count > 1 )
{
final int selected = getSelectedIndex () - 1;
setSelected ( selected == -1 ? count - 1 : selected );
}
}
/**
* Increments selected document index inside the active pane.
*/
public void selectNext ()
{
final int count = count ();
if ( count > 1 )
{
final int selected = getSelectedIndex () + 1;
setSelected ( selected == count ? 0 : selected );
}
}
/**
* Returns index of the document with the specified ID.
*
* @param id document ID
* @return index of the document with the specified ID
*/
public int indexOf ( final String id )
{
return indexOf ( get ( id ) );
}
/**
* Returns index of the specified document.
*
* @param document document
* @return index of the specified document
*/
public int indexOf ( final T document )
{
return data.indexOf ( document );
}
/**
* Closes document at the specified index in the active pane.
*
* @param index index of the document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean remove ( final int index )
{
return remove ( get ( index ) );
}
/**
* Closes document with the specified ID.
*
* @param id ID of the document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean remove ( final String id )
{
return remove ( get ( id ) );
}
/**
* Closes the specified document.
*
* @param document document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean remove ( final T document )
{
if ( document != null )
{
final int index = indexOf ( document );
if ( index != -1 )
{
document.removeListener ( findDocumentListener ( document ) );
tabbedPane.remove ( index );
data.remove ( document );
return true;
}
}
return false;
}
/**
* Returns document listener attached by this pane data class.
*
* @param document listened document
* @return document listener attached by this pane data class
*/
protected DocumentDataListener findDocumentListener ( final T document )
{
final List> listeners = document.getListeners ();
for ( final DocumentDataListener listener : listeners )
{
if ( listener instanceof PaneDataAdapter )
{
final PaneData paneData = ( ( PaneDataAdapter ) listener ).getPaneData ();
if ( paneData == this )
{
return listener;
}
}
}
return null;
}
/**
* Closes all document in this group.
*/
public void closeAll ()
{
for ( final T document : CollectionUtils.copy ( data ) )
{
close ( document );
}
}
/**
* Closes document at the specified index in the active pane.
*
* @param index index of the document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean close ( final int index )
{
return close ( get ( index ) );
}
/**
* Closes document with the specified ID.
*
* @param id ID of the document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean close ( final String id )
{
return close ( get ( id ) );
}
/**
* Closes the specified document.
*
* @param document document to close
* @return true if document was successfully closed, false otherwise
*/
public boolean close ( final T document )
{
if ( document != null )
{
final WebDocumentPane documentPane = getDocumentPane ();
final int index = indexOf ( document );
// Informing listeners about document closing event
if ( documentPane.fireDocumentClosing ( document, this, index ) )
{
// Closing document and fixing view
final boolean removed = remove ( document );
mergeIfEmpty ();
// Informing listeners about document close event
documentPane.fireDocumentClosed ( document, this, index );
return removed;
}
else
{
return false;
}
}
else
{
return false;
}
}
/**
* Closes all documents except the specified one.
*
* @param document document to keep opened
*/
public void closeOthers ( final T document )
{
for ( final T doc : CollectionUtils.copy ( data ) )
{
if ( doc != document && doc.isCloseable () )
{
close ( doc );
}
}
}
/**
* Closes selected document.
*/
public void closeSelected ()
{
final T selected = getSelected ();
if ( selected != null )
{
close ( selected );
}
}
/**
* Activates this pane within WebDocumentPane.
*/
public void activate ()
{
final WebDocumentPane pane = getDocumentPane ();
if ( pane != null )
{
pane.activate ( PaneData.this );
}
}
/**
* Returns whether this pane is active one within WebDocumentPane or not.
*
* @return true if this pane is active one within WebDocumentPane, false otherwise
*/
public boolean isActive ()
{
return getDocumentPane ().getActivePane () == this;
}
/**
* Splits the specified document into a separate pane.
*
* @param document document to split
* @param direction split direction
*/
public void split ( final T document, final int direction )
{
final WebDocumentPane pane = getDocumentPane ();
if ( pane != null )
{
pane.split ( PaneData.this, document, direction );
}
}
/**
* Merges this pane with its neighbour if it is empty.
*/
public void mergeIfEmpty ()
{
if ( count () == 0 )
{
merge ();
}
}
/**
* Changes parent split orientation if this pane is located within a split.
*/
public void rotate ()
{
final Container parent = tabbedPane.getParent ();
if ( parent instanceof WebSplitPane )
{
final SplitData splitData = WebDocumentPane.getData ( ( WebSplitPane ) parent );
splitData.changeOrientation ();
}
}
/**
* Changes parent split sides if this pane is located within a split.
*/
public void swap ()
{
final Container parent = tabbedPane.getParent ();
if ( parent instanceof WebSplitPane )
{
final SplitData splitData = WebDocumentPane.getData ( ( WebSplitPane ) parent );
splitData.swapSides ();
}
}
/**
* Merges this pane with its neighbour.
*/
public void merge ()
{
final WebDocumentPane documentPane = getDocumentPane ();
if ( documentPane != null )
{
documentPane.merge ( this );
}
}
/**
* Merges all panes within WebDocumentPane.
*/
public void mergeAll ()
{
final WebDocumentPane pane = getDocumentPane ();
if ( pane != null )
{
pane.merge ( pane.getStructureRoot () );
}
}
}