/*
* Copyright (C) 2004, 2005, 2006 Aelitis SAS, All rights Reserved
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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
*
* AELITIS, SAS au capital de 46,603.30 euros,
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package org.gudy.azureus2.ui.swt.views.table.utils;
import java.util.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.components.shell.ShellFactory;
import org.gudy.azureus2.ui.swt.views.utils.VerticalAligner;
import com.aelitis.azureus.ui.common.table.TableStructureModificationListener;
import com.aelitis.azureus.ui.common.table.TableColumnCore;
import com.aelitis.azureus.ui.swt.utils.ColorCache;
/**
* Choose columns to display, and in what order
*/
public class TableColumnEditorWindow {
private Display display;
private Shell shell;
private Table table;
//private TableColumnCore[] tableColumns;
private ArrayList tableColumns;
private Map newEnabledState;
private TableStructureModificationListener listener;
private boolean mousePressed;
private TableItem selectedItem;
private Point oldPoint;
/**
* Default Constructor
*
* @param parent Parent Shell
* @param _tableColumns List of columns available
* @param _listener Callback listener to trigger when columns changed
*/
public TableColumnEditorWindow(Shell parent,
TableColumnCore[] _tableColumns,
TableStructureModificationListener _listener) {
RowData rd;
display = parent.getDisplay();
listener = _listener;
tableColumns = new ArrayList(Arrays.asList(_tableColumns));
Collections.sort(tableColumns, new Comparator () {
public final int compare (Object a, Object b) {
int iPositionA = ((TableColumnCore)a).getPosition();
if (iPositionA == -1)
iPositionA = 0xFFFF;
int iPositionB = ((TableColumnCore)b).getPosition();
if (iPositionB == -1)
iPositionB = 0xFFFF;
return iPositionA - iPositionB;
}
});
newEnabledState = new HashMap();
for (Iterator iter = tableColumns.iterator(); iter.hasNext();) {
TableColumnCore item = (TableColumnCore) iter.next();
Boolean value = new Boolean(
item.getPosition() != org.gudy.azureus2.plugins.ui.tables.TableColumn.POSITION_INVISIBLE);
newEnabledState.put(item, value);
}
final Color blue = ColorCache.getColor(display,0,0,128);
shell = ShellFactory.createShell(parent, SWT.DIALOG_TRIM | SWT.RESIZE);
Utils.setShellIcon(shell);
shell.setText(MessageText.getString("columnChooser.title"));
GridLayout layout = new GridLayout();
shell.setLayout (layout);
GridData gridData;
Label label = new Label(shell,SWT.NULL);
label.setText(MessageText.getString("columnChooser.move"));
gridData = new GridData(GridData.FILL_HORIZONTAL);
label.setLayoutData(gridData);
table = new Table (shell, SWT.VIRTUAL | SWT.CHECK | SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
gridData = new GridData(GridData.FILL_BOTH);
table.setLayoutData(gridData);
table.setHeaderVisible(true);
Composite cButtonArea = new Composite(shell, SWT.NULL);
gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
cButtonArea.setLayoutData(gridData);
RowLayout rLayout = new RowLayout(SWT.HORIZONTAL);
rLayout.marginLeft = 0;
rLayout.marginTop = 0;
rLayout.marginRight = 0;
rLayout.marginBottom = 0;
rLayout.spacing = 5;
cButtonArea.setLayout (rLayout);
Button bOk = new Button(cButtonArea,SWT.PUSH);
bOk.setText(MessageText.getString("Button.ok"));
rd = new RowData();
rd.width = 70;
bOk.setLayoutData(rd);
bOk.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
saveAndApply();
close();
}
});
Button bCancel = new Button(cButtonArea,SWT.PUSH);
bCancel.setText(MessageText.getString("Button.cancel"));
rd = new RowData();
rd.width = 70;
bCancel.setLayoutData(rd);
bCancel.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
close();
}
});
Button bApply = new Button(cButtonArea,SWT.PUSH);
bApply.setText(MessageText.getString("columnChooser.apply"));
rd = new RowData();
rd.width = 70;
bApply.setLayoutData(rd);
bApply.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
saveAndApply();
}
});
final String[] columnsHeader = { "columnname", "columndescription" };
for (int i=0; i< columnsHeader.length; i++) {
TableColumn column = new TableColumn(table, SWT.NONE);
if (columnsHeader[i] != "")
column.setText(MessageText.getString("columnChooser." + columnsHeader[i]));
}
table.getColumn(0).setWidth(160);
table.getColumn(1).setWidth(1000);
table.addListener(SWT.Selection,new Listener() {
public void handleEvent(Event e) {
if (e.detail != SWT.CHECK)
return;
mousePressed = false;
TableItem item = (TableItem) e.item;
int index = item.getParent().indexOf(item);
TableColumnCore tableColumn = (TableColumnCore)tableColumns.get(index);
newEnabledState.put(tableColumn, new Boolean(item.getChecked()));
}
});
table.addListener(SWT.SetData, new Listener() {
public void handleEvent(Event event) {
final TableItem item = (TableItem) event.item;
if (item == null)
return;
Table table = item.getParent();
int index = table.indexOf(item);
if (index < 0) {
// Trigger a Table._getItem, which assigns the item to the array
// in Table, so indexOf(..) can find it. This is a workaround for
// a WinXP bug.
Rectangle r = item.getBounds(0);
table.getItem(new Point(r.x, r.y));
index = table.indexOf(item);
if (index < 0)
return;
}
TableColumnCore tableColumn = (TableColumnCore)tableColumns.get(index);
String sTitleLanguageKey = tableColumn.getTitleLanguageKey();
item.setText(0, MessageText.getString(sTitleLanguageKey));
item.setText(1, MessageText.getString(sTitleLanguageKey + ".info", ""));
//Causes SetData listener to be triggered again, which messes up SWT
//table.getColumn(1).pack();
final boolean bChecked = ((Boolean) newEnabledState.get(tableColumn))
.booleanValue();
Utils.setCheckedInSetData(item, bChecked);
Utils.alternateRowBackground(item);
}
});
table.setItemCount(tableColumns.size());
table.addMouseListener(new MouseAdapter() {
public void mouseDown(MouseEvent arg0) {
mousePressed = true;
selectedItem = table.getItem(new Point(arg0.x,arg0.y));
}
public void mouseUp(MouseEvent e) {
mousePressed = false;
//1. Restore old image
if(oldPoint != null) {
table.redraw(oldPoint.x, oldPoint.y, shell.getSize().x,
oldPoint.y + 2, false);
oldPoint = null;
}
Point p = new Point(e.x,e.y);
TableItem item = table.getItem(p);
if(item != null && selectedItem != null) {
int index = table.indexOf(item);
int oldIndex = table.indexOf(selectedItem);
if(index == oldIndex)
return;
TableColumnCore tableColumn =
(TableColumnCore)tableColumns.get(oldIndex);
tableColumns.remove(tableColumn);
tableColumns.add(index, tableColumn);
table.clearAll();
}
}
});
table.addMouseMoveListener(new MouseMoveListener(){
public void mouseMove(MouseEvent e) {
if (!mousePressed || selectedItem == null)
return;
Point p = new Point(e.x,e.y);
TableItem item = table.getItem(p);
if (item == null)
return;
Rectangle bounds = item.getBounds(0);
int selectedPosition = table.indexOf(selectedItem);
int newPosition = table.indexOf(item);
//1. Restore old area
if(oldPoint != null) {
table.redraw(oldPoint.x, oldPoint.y, bounds.width, oldPoint.y + 2, false);
oldPoint = null;
}
bounds.y += VerticalAligner.getTableAdjustVerticalBy(table);
if(newPosition <= selectedPosition)
oldPoint = new Point(bounds.x,bounds.y);
else
oldPoint = new Point(bounds.x,bounds.y+bounds.height);
//3. Draw a thick line
table.redraw(oldPoint.x, oldPoint.y, bounds.width, oldPoint.y + 2, false);
}
});
table.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
if (!mousePressed || selectedItem == null || oldPoint == null) {
return;
}
Point p = new Point(e.x,e.y);
TableItem item = table.getItem(p);
if (item == null)
return;
Rectangle bounds = item.getBounds(0);
GC gc = new GC(table);
gc.setBackground(blue);
gc.fillRectangle(oldPoint.x,oldPoint.y,bounds.width,2);
gc.dispose();
}
});
shell.pack();
Point p = shell.getSize();
p.x = 550;
// For Windows, to get rid of the scrollbar
p.y += 2;
if (p.y + 64 > display.getClientArea().height)
p.y = display.getBounds().height - 64;
shell.setSize(p);
Utils.centreWindow(shell);
shell.open ();
}
private void close() {
if (!shell.isDisposed())
shell.dispose();
}
private void saveAndApply() {
TableItem[] items = table.getItems();
int position = 0;
for(int i = 0 ; i < items.length ; i++) {
TableColumnCore tableColumn = (TableColumnCore)tableColumns.get(i);
boolean bChecked = ((Boolean) newEnabledState.get(tableColumn))
.booleanValue();
tableColumn.setPositionNoShift(bChecked ? position++ : -1);
tableColumn.saveSettings();
}
listener.tableStructureChanged();
}
}
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