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/*******************************************************************************
* Copyright (c) 2007, 2008 SAP AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Kaloyan Raev, kaloyan.raev@sap.com - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.ejb.ui.internal.wizard;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jst.ejb.ui.internal.util.EJBUIMessages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
public class Session2xInterfacesTable extends Composite {
private static final String _TABLEITEM = "_TABLEITEM";
private Table table;
private TableViewer viewer;
private IDataModel model;
private final static String ABBREVIATION_COLUMN = "abbreviation";
private final static String CLASS_NAME_COLUMN = "className";
private ArrayList tableValues = new ArrayList();
// Set column names
private String[] columnNames = { ABBREVIATION_COLUMN, CLASS_NAME_COLUMN };
protected class IntfTableContentProvider implements IStructuredContentProvider {
public Object[] getElements(Object inputElement) {
if (inputElement instanceof List) {
return ((List) inputElement).toArray();
}
return new Object[0];
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
protected class IntfTableLabelProvider extends LabelProvider implements ITableLabelProvider {
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
if (element instanceof Session2xInterfacesTableRow) {
Session2xInterfacesTableRow row = (Session2xInterfacesTableRow) element;
if (columnIndex == 0) {
return row.getAbbreviation();
} else if(columnIndex == 1){
return row.getClassName();
}
}
return null;
}
}
public Session2xInterfacesTable(Composite parent, String[] columnTitles, IDataModel model, Session2xInterfacesTableRow[] tableRows) {
super(parent, SWT.NONE);
this.model = model;
for (int k = 0; k < tableRows.length; k++) {
tableValues.add(tableRows[k]);
}
GridLayout layout = new GridLayout(1, false);
layout.marginHeight = 4;
layout.marginWidth = 0;
this.setLayout(layout);
createTable();
createTableViewer();
final OpenTypeSelectionDialog dialog = new OpenTypeSelectionDialog(parent.getShell(), false, null, SearchEngine.createWorkspaceScope(), IJavaSearchConstants.INTERFACE);
setInput(tableValues);
TableItem[] items = getTable().getItems();
for(int i = 0; i < items.length; i++) {
final TableItem item = items[i];
TableEditor editor = new TableEditor(getTable());
Button button = new Button(getTable(), SWT.FLAT);
button.setText("...");
button.pack();
button.addSelectionListener(new SelectionListener(){
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
if (dialog.open() != IDialogConstants.OK_ID)
return;
Object[] types= dialog.getResult();
if (types != null && types.length == 1) {
IType type= (IType) types[0];
Session2xInterfacesTableRow row = (Session2xInterfacesTableRow) item.getData();
row.setClassName(type.getFullyQualifiedName());
getTableViewer().update(row, null);
}
}
});
editor.minimumWidth = 24;
editor.grabHorizontal = true;
editor.horizontalAlignment = SWT.LEFT;
editor.setEditor(button, item, 2);
GridData data = new GridData(GridData.FILL_BOTH);
data.heightHint = getTable().getItemHeight() * 3;
this.setLayoutData(data);
GridData gridData1 = new GridData();
gridData1.verticalAlignment = GridData.FILL;
gridData1.grabExcessVerticalSpace = true;
gridData1.horizontalAlignment = GridData.FILL;
gridData1.grabExcessHorizontalSpace = true;
getTable().setLayoutData(gridData1);
}
setTableTooltips(table);
}
public void setInput(List input) {
viewer.setInput(input);
}
public TableViewer getTableViewer() {
return viewer;
}
/**
* Create the Table
*/
private void createTable() {
int style = SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION;
setTable(new Table(this, style));
GridData gridData = new GridData();
//gridData.grabExcessVerticalSpace = true;
//gridData.horizontalSpan = 2;
gridData.grabExcessHorizontalSpace = true;
// gridData.horizontalAlignment = GridData.FILL;
getTable().setLayoutData(gridData);
getTable().setLinesVisible(true);
getTable().setHeaderVisible(false);
// 1st column abbreviation
TableColumn column = new TableColumn(getTable(), SWT.CENTER, 0);
column.setWidth(25);
// 2nd column className
column = new TableColumn(getTable(), SWT.LEFT, 1);
column.setWidth(100);
column = new TableColumn(getTable(), SWT.LEFT, 2);
column.setWidth(25);
this.addControlListener(new ControlAdapter() {
@Override
public void controlResized(ControlEvent e) {
Rectangle area = table.getParent().getClientArea();
Point preferredSize = viewer.getTable().computeSize(
SWT.DEFAULT, SWT.DEFAULT);
int width = area.width - 2 * table.getBorderWidth() * 2;
if (preferredSize.y > area.height + table.getHeaderHeight()) {
// Subtract the scrollbar width from the total column width
// if a vertical scrollbar will be required
Point vBarSize = table.getVerticalBar().getSize();
width -= vBarSize.x;
}
int delta = area.width - preferredSize.x;
TableColumn column2 = table.getColumn(1);
int tmp = column2.getWidth() + delta;
column2.setWidth(tmp);
Point size = table.getSize();
}
});
}
/**
* Create the TableViewer
*/
private void createTableViewer() {
viewer = new TableViewer(getTable()) {
@Override
public void update(Object element, String[] properties) {
super.update(element, properties);
Session2xInterfacesTableRow row = (Session2xInterfacesTableRow) element;
model.setStringProperty(row.getPropertyName(), row.getClassName());
}
};
viewer.setUseHashlookup(true);
viewer.setColumnProperties(columnNames);
// Create the cell editors
CellEditor[] editors = new CellEditor[columnNames.length];
TextCellEditor textEditor = new TextCellEditor(getTable());
((Text) textEditor.getControl()).setTextLimit(60);
// Column 1 : Completed (Checkbox)
editors[0] = null;
// Column 2 : Description (Free text)
editors[1] = textEditor;
// Column 3 : Owner (Combo Box)
// Assign the cell editors to the viewer
viewer.setCellEditors(editors);
// Set the cell modifier for the viewer
viewer.setCellModifier(new ICellModifier() {
public boolean canModify(Object element, String property) {
if(property.equals(CLASS_NAME_COLUMN)) {
return true;
}
return false;
}
public Object getValue(Object element, String property) {
Session2xInterfacesTableRow row = (Session2xInterfacesTableRow) element;
if(property.equals(CLASS_NAME_COLUMN)) {
return row.getClassName();
}
return null;
}
public void modify(Object element, String property, Object value) {
TableItem item = (TableItem) element;
Session2xInterfacesTableRow row = (Session2xInterfacesTableRow) item.getData();
if(property.equals(CLASS_NAME_COLUMN)) {
row.setClassName((String) value);
}
viewer.update(row, null);
}
});
viewer.setContentProvider(new IntfTableContentProvider());
viewer.setLabelProvider(new IntfTableLabelProvider());
}
public void setTable(Table table) {
this.table = table;
}
public Table getTable() {
return table;
}
/**
* <p>This method has been derived from example
* <a href="http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet125.java?view=co">Snippet 125</a></p>
* @param table
*/
protected void setTableTooltips(final Table table) {
// Disable native tooltip
table.setToolTipText("");
// Implement a "fake" tooltip
final Listener labelListener = new Listener() {
public void handleEvent(Event event) {
Label label = (Label) event.widget;
Shell shell = label.getShell();
switch (event.type) {
case SWT.MouseDown:
Event e = new Event();
e.item = (TableItem) label.getData(_TABLEITEM);
// Assuming table is single select, set the selection as if
// the mouse down event went through to the table
table.setSelection(new TableItem[] { (TableItem) e.item });
table.notifyListeners(SWT.Selection, e);
shell.dispose();
table.setFocus();
break;
case SWT.MouseExit:
shell.dispose();
break;
}
}
};
Listener tableListener = new Listener() {
Shell tip = null;
Label label = null;
public void handleEvent(Event event) {
switch (event.type) {
case SWT.Dispose:
case SWT.KeyDown:
case SWT.MouseMove: {
if (tip == null) break;
tip.dispose();
tip = null;
label = null;
break;
}
case SWT.MouseHover: {
TableItem item = table.getItem(new Point(event.x, event.y));
if (item != null) {
if (tip != null && !tip.isDisposed()) tip.dispose();
Display display = event.widget.getDisplay();
Shell shell = ((Table) event.widget).getShell();
tip = new Shell(shell, SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
tip.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
FillLayout layout = new FillLayout();
layout.marginWidth = 2;
tip.setLayout(layout);
label = new Label(tip, SWT.NONE);
label.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
label.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
label.setData(_TABLEITEM, item);
label.setText(getTooltipForTableItem(item.getText()));
label.addListener(SWT.MouseExit, labelListener);
label.addListener(SWT.MouseDown, labelListener);
Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT);
Rectangle rect = item.getBounds(0);
Point pt = table.toDisplay(rect.x, rect.y);
tip.setBounds(pt.x, pt.y, size.x, size.y);
tip.setVisible(true);
}
}
}
}
};
table.addListener(SWT.Dispose, tableListener);
table.addListener(SWT.KeyDown, tableListener);
table.addListener(SWT.MouseMove, tableListener);
table.addListener(SWT.MouseHover, tableListener);
}
protected String getTooltipForTableItem(String tableItemText) {
if (EJBUIMessages.LOCAL_COMPONENT_INTERFACE_CODE.equals(tableItemText)) {
return EJBUIMessages.LOCAL_COMPONENT_INTERFACE_TOOLTIP;
} else if (EJBUIMessages.LOCAL_HOME_INTERFACE_CODE.equals(tableItemText)) {
return EJBUIMessages.LOCAL_HOME_INTERFACE_TOOLTIP;
} else if (EJBUIMessages.REMOTE_COMPONENT_INTERFACE_CODE.equals(tableItemText)) {
return EJBUIMessages.REMOTE_COMPONENT_INTERFACE_TOOLTIP;
} else if (EJBUIMessages.REMOTE_HOME_INTERFACE_CODE.equals(tableItemText)) {
return EJBUIMessages.REMOTE_HOME_INTERFACE_TOOLTIP;
}
return "";
}
}