/*
* File : HealthItem.java
* Created : 24 nov. 2003
* By : Olivier
*
* 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 com.aelitis.azureus.ui.swt.columns.torrent;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.ui.swt.views.table.CoreTableColumnSWT;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWT;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWTPaintListener;
import com.aelitis.azureus.core.torrent.PlatformTorrentUtils;
import com.aelitis.azureus.ui.common.table.impl.TableColumnImpl;
import com.aelitis.azureus.ui.swt.utils.TorrentUIUtilsV3;
import com.aelitis.azureus.ui.swt.utils.TorrentUIUtilsV3.ContentImageLoadedListener;
import com.aelitis.azureus.util.DataSourceUtils;
import org.gudy.azureus2.plugins.ui.tables.*;
/**
* A non-interactive (no click no hover) thumbnail column
* @author khai
*
*/
public class ColumnThumbnail
extends CoreTableColumnSWT
implements TableCellRefreshListener, TableCellSWTPaintListener, TableCellToolTipListener
{
public static final String COLUMN_ID = "Thumbnail";
public void fillTableColumnInfo(TableColumnInfo info) {
info.addCategories(new String[] { CAT_CONTENT });
}
private static final int WIDTH_SMALL = 35;
private static final int WIDTH_BIG = 60;
private static final int WIDTH_ACTIVITY = 80;
/**
* Each cell is mapped to a torrent
*/
private Map mapCellTorrent = new HashMap();
/** Default Constructor */
public ColumnThumbnail(String sTableID) {
super(COLUMN_ID, ALIGN_CENTER, POSITION_LAST, 0, sTableID);
if (TableManager.TABLE_ACTIVITY_BIG.equals(sTableID)) {
initializeAsGraphic(WIDTH_ACTIVITY);
} else {
initializeAsGraphic(sTableID.endsWith(".big") ? WIDTH_BIG : WIDTH_SMALL);
}
}
/**
* @param column
*/
public ColumnThumbnail(TableColumn column) {
super(null, null);
column.initialize(ALIGN_CENTER, POSITION_LAST, WIDTH_BIG);
column.addListeners(this);
// cheat. TODO: Either auto-add (in above method), or provide
// access via TableColumn instead of type casting
((TableColumnImpl)column).addCellOtherListener("SWTPaint", this);
}
public void dispose(TableCell cell) {
mapCellTorrent.remove(cell);
}
public void refresh(final TableCell cell) {
Object ds = cell.getDataSource();
TOTorrent newTorrent = DataSourceUtils.getTorrent(ds);
//System.out.println("REF");
//TableCellImpl c1 = ((TableCellImpl) cell);
//TableRowSWT tableRowSWT = c1.getTableRowSWT();
//TableViewSWTImpl view = (TableViewSWTImpl) tableRowSWT.getView();
//System.out.println(view.getComposite());
//view.getTableComposite().redraw(0, 0, 5000, 5000, true);
//view.getTableComposite().update();
/*
* For sorting we only create 2 buckets... Vuze content and non-vuze content
*/
long sortIndex = PlatformTorrentUtils.isContent(newTorrent, true) ? 0 : 1;
boolean bChanged = cell.setSortValue(sortIndex);
/*
* Get the torrent for this cell
*/
TOTorrent torrent = (TOTorrent) mapCellTorrent.get(cell);
/*
* If the cell is not shown or nothing has changed then skip since there's nothing to update
*/
if (false == cell.isShown()
|| (newTorrent == torrent && !bChanged && cell.isValid())) {
return;
}
torrent = newTorrent;
mapCellTorrent.put(cell, torrent);
}
// @see org.gudy.azureus2.ui.swt.views.table.TableCellSWTPaintListener#cellPaint(org.eclipse.swt.graphics.GC, org.gudy.azureus2.ui.swt.views.table.TableCellSWT)
public void cellPaint(GC gc, final TableCellSWT cell) {
Object ds = cell.getDataSource();
Rectangle cellBounds = cell.getBounds();
Image[] imgThumbnail = TorrentUIUtilsV3.getContentImage(ds,
cellBounds.width >= 20 && cellBounds.height >= 20,
new ContentImageLoadedListener() {
public void contentImageLoaded(Image image, boolean wasReturned) {
if (!wasReturned) {
// this may be triggered many times, so only invalidate and don't
// force a refresh()
cell.invalidate();
}
}
});
if (imgThumbnail == null || imgThumbnail[0] == null) {
// don't need to release a null image
return;
}
if (cellBounds.height > 30) {
cellBounds.y += 2;
cellBounds.height -= 4;
}
Rectangle imgBounds = imgThumbnail[0].getBounds();
int dstWidth;
int dstHeight;
if (imgBounds.height > cellBounds.height) {
dstHeight = cellBounds.height;
dstWidth = imgBounds.width * cellBounds.height / imgBounds.height;
} else if (imgBounds.width > cellBounds.width) {
dstWidth = cellBounds.width - 4;
dstHeight = imgBounds.height * cellBounds.width / imgBounds.width;
} else {
dstWidth = imgBounds.width;
dstHeight = imgBounds.height;
}
try {
gc.setAdvanced(true);
gc.setInterpolation(SWT.HIGH);
} catch (Exception e) {
}
int x = cellBounds.x + ((cellBounds.width - dstWidth + 1) / 2);
int y = cellBounds.y + ((cellBounds.height - dstHeight + 1) / 2);
if (dstWidth > 0 && dstHeight > 0 && !imgBounds.isEmpty()) {
Rectangle dst = new Rectangle(x, y, dstWidth, dstHeight);
Rectangle lastClipping = gc.getClipping();
try {
gc.setClipping(cellBounds);
for (int i = 0; i < imgThumbnail.length; i++) {
Image image = imgThumbnail[i];
if (image == null) {
continue;
}
Rectangle srcBounds = image.getBounds();
if (i == 0) {
int w = dstWidth;
int h = dstHeight;
if (imgThumbnail.length > 1) {
w = w * 9 / 10;
h = h * 9 / 10;
}
gc.drawImage(image, srcBounds.x, srcBounds.y, srcBounds.width,
srcBounds.height, x, y, w, h);
} else {
int w = dstWidth * 3 / 8;
int h = dstHeight * 3 / 8;
gc.drawImage(image, srcBounds.x, srcBounds.y, srcBounds.width,
srcBounds.height, x + dstWidth - w, y + dstHeight - h, w, h);
}
}
} catch (Exception e) {
Debug.out(e);
} finally {
gc.setClipping(lastClipping);
}
}
TorrentUIUtilsV3.releaseContentImage(ds);
}
// @see org.gudy.azureus2.plugins.ui.tables.TableCellToolTipListener#cellHover(org.gudy.azureus2.plugins.ui.tables.TableCell)
public void cellHover(TableCell cell) {
final Object ds = cell.getDataSource();
Image[] imgThumbnail = TorrentUIUtilsV3.getContentImage(ds, true, new ContentImageLoadedListener() {
public void contentImageLoaded(Image image, boolean wasReturned) {
TorrentUIUtilsV3.releaseContentImage(ds);
}
});
cell.setToolTip(imgThumbnail == null ? null : imgThumbnail[0]);
}
// @see org.gudy.azureus2.plugins.ui.tables.TableCellToolTipListener#cellHoverComplete(org.gudy.azureus2.plugins.ui.tables.TableCell)
public void cellHoverComplete(TableCell cell) {
Object ds = cell.getDataSource();
TorrentUIUtilsV3.releaseContentImage(ds);
}
}