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package org.openslx.dozmod.gui.helper;
import java.util.HashMap;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.TableItem;
import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
import org.openslx.bwlp.thrift.iface.LectureSummary;
import org.openslx.bwlp.thrift.iface.OperatingSystem;
import org.openslx.bwlp.thrift.iface.UserInfo;
import org.openslx.dozmod.thrift.MetaDataCache;
import org.openslx.dozmod.thrift.UserCache;
import org.openslx.dozmod.util.FormatHelper;
public final class TableHelper {
/**
* Create the columns for the table in the lecture main window. Comparator
* has to be set beforehand.
*
* @param table
* the tableViewer
*/
public static void createLectureTableColumns(TableViewer table) {
createSortedColumn(table, "Name", 150, 0, new ColumnLabelProvider() {
@Override
public String getText(Object element) {
LectureSummary lecture = (LectureSummary) element;
return lecture.getLectureName();
}
});
createSortedColumn(table, "Verantwortlicher", 130, 1,
new ColumnLabelProvider() {
@Override
public String getText(Object element) {
LectureSummary lecture = (LectureSummary) element;
String ownerId = lecture.getOwnerId();
UserInfo user = UserCache.find(ownerId);
if (user == null) {
return "Unknown";
} else {
return user.getLastName() + ", "
+ user.getFirstName();
}
}
});
}
/**
* Create the columns for the table in the image main window. Comparator has
* to be set beforehand.
*
* @param table
* the tableViewer
*/
public static void createImageTableColumns(TableViewer table) {
createSortedColumn(table, "Name", 150, 0, new ColumnLabelProvider() {
@Override
public String getText(Object element) {
ImageSummaryRead image = (ImageSummaryRead) element;
return image.getImageName();
}
});
createSortedColumn(table, "OS", 150, 1, new ColumnLabelProvider() {
@Override
public String getText(Object element) {
ImageSummaryRead image = (ImageSummaryRead) element;
OperatingSystem os = MetaDataCache.getOsById(image.getOsId());
if (os == null) {
return "Unknown";
} else {
return os.getOsName();
}
}
});
createSortedColumn(table, "Verantwortlicher", 130, 2,
new ColumnLabelProvider() {
@Override
public String getText(Object element) {
ImageSummaryRead image = (ImageSummaryRead) element;
String ownerId = image.getOwnerId();
UserInfo user = UserCache.find(ownerId);
if (user == null) {
return "Unknown";
} else {
return user.getLastName() + ", "
+ user.getFirstName();
}
}
});
createSortedColumn(table, "Letztes Update", 110, 3,
new ColumnLabelProvider() {
@Override
public String getText(Object element) {
ImageSummaryRead image = (ImageSummaryRead) element;
return FormatHelper.shortDate(image.getUpdateTime());
}
});
createSortedColumn(table, "Größe", 80, 4, new ColumnLabelProvider() {
@Override
public String getText(Object element) {
ImageSummaryRead image = (ImageSummaryRead) element;
if (image.getCurrentVersionId() == null)
return "-";
return FormatHelper.bytes(image.getFileSize(), false);
}
});
}
/**
* Create the columns for the custom permission wizard page
*
* @param permissionTableViewer
*/
public static void createImagePermissionTableColumns(
final TableViewer permissionTableViewer, final ColumnLabelProvider colprov) {
createUnsortedColumn(permissionTableViewer, "User", 150,
new ColumnLabelProvider() {
@Override
public String getText(Object element) {
UserToPermissionLink userPerms = (UserToPermissionLink) element;
UserInfo user = UserCache.find(userPerms.getUserId());
return FormatHelper.userName(user);
}
});
createUnsortedColumn(permissionTableViewer, "Link", 90,
colprov);
createUnsortedColumn(permissionTableViewer, "Download", 90,
colprov);
createUnsortedColumn(permissionTableViewer, "Edit", 90,
colprov);
createUnsortedColumn(permissionTableViewer, "Admin", 90,
colprov);
}
/**
* Create a column with the ability to be sorted
*
* @param tableViewer
* @param colName
* @param width
* column width
* @param colNumber
* index of the column
* @param provider
* the column label provider
*/
private static void createSortedColumn(TableViewer tableViewer,
String colName, int width, int colNumber,
ColumnLabelProvider provider) {
TableViewerColumn col = new TableViewerColumn(tableViewer, SWT.NONE);
col.getColumn().setWidth(width);
col.getColumn().setText(colName);
col.setLabelProvider(provider);
// for column sorting
col.getColumn().addSelectionListener(
getSelectionAdapter(col, colNumber, tableViewer));
}
/**
* Create a column for the given table viewer without sorting functionality
*
* @param tableViewer
* @param colName
* @param width
* @param provider
*/
private static void createUnsortedColumn(TableViewer tableViewer,
String colName, int width, ColumnLabelProvider provider) {
TableViewerColumn col = new TableViewerColumn(tableViewer, SWT.NONE);
col.getColumn().setWidth(width);
col.getColumn().setText(colName);
col.setLabelProvider(provider);
}
// selection listener for column sorting
private static SelectionListener getSelectionAdapter(
final TableViewerColumn col, final int colNumber,
final TableViewer table) {
return new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
int dir = 0;
if (table.getComparator() instanceof ImageListComparator) {
ImageListComparator comparator = (ImageListComparator) table
.getComparator();
comparator.setColumn(colNumber);
dir = comparator.getDirection();
} else if (table.getComparator() instanceof LectureListComparator) {
LectureListComparator comparator = (LectureListComparator) table
.getComparator();
comparator.setColumn(colNumber);
dir = comparator.getDirection();
}
table.getTable().setSortDirection(dir);
table.getTable().setSortColumn(col.getColumn());
table.refresh();
}
};
}
private static final Button createButton(Composite parent, int style) {
Button newButton = new Button(parent, style);
newButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Button o = (Button)e.getSource();
System.out.println(o.toString());
}
});
return newButton;
}
private static final ColumnLabelProvider newCheckboxedColumnLabelProvider() {
return new ColumnLabelProvider() {
private HashMap<Object, Button> buttons = new HashMap<Object, Button>();
@Override
public void update(ViewerCell cell) {
TableItem item = (TableItem) cell.getItem();
Button button;
if (buttons.containsKey(cell.getElement())) {
button = buttons.get(cell.getElement());
} else {
button = createButton((Composite) cell
.getViewerRow().getControl(), SWT.CHECK);
buttons.put(cell.getElement(), button);
}
TableEditor editor = new TableEditor(item.getParent());
editor.grabHorizontal = true;
editor.grabVertical = true;
editor.setEditor(button, item, cell.getColumnIndex());
editor.layout();
}
};
}
}
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