diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/TableEditorImpl.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/TableEditorImpl.java | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/TableEditorImpl.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/TableEditorImpl.java deleted file mode 100644 index e4fda98fc..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/TableEditorImpl.java +++ /dev/null @@ -1,355 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005 IBM Corporation 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: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.debug.internal.ui.viewers; - -import org.eclipse.jface.viewers.CellEditor; -import org.eclipse.jface.viewers.ICellEditorListener; -import org.eclipse.jface.viewers.ICellModifier; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.jface.viewers.StructuredViewer; -import org.eclipse.swt.events.FocusAdapter; -import org.eclipse.swt.events.FocusEvent; -import org.eclipse.swt.events.FocusListener; -import org.eclipse.swt.events.MouseAdapter; -import org.eclipse.swt.events.MouseEvent; -import org.eclipse.swt.events.MouseListener; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Item; - -/** - * This class is copied from package org.eclipse.jface.viewers.TableEditorImpl - * because the original has package access only. - * - * TODO: complain to UI about package access to API class. - * - */ -public abstract class TableEditorImpl { - private CellEditor fCellEditor; - private CellEditor[] fCellEditors; - private ICellModifier fCellModifier; - private String[] fColumnProperties; - private Item fTableItem; - private int fColumnNumber; - private ICellEditorListener fCellEditorListener; - private FocusListener fFocusListener; - private MouseListener fMouseListener; - private int fDoubleClickExpirationTime; - private StructuredViewer fViewer; - - TableEditorImpl(StructuredViewer viewer) { - fViewer = viewer; - initCellEditorListener(); - } - - /** - * Returns this <code>TableViewerImpl</code> viewer - * - * @return the viewer - */ - public StructuredViewer getViewer() { - return fViewer; - } - - private void activateCellEditor() { - if (fCellEditors != null) { - if (fCellEditors[fColumnNumber] != null && fCellModifier != null) { - Object element = fTableItem.getData(); - String property = fColumnProperties[fColumnNumber]; - if (fCellModifier.canModify(element, property)) { - fCellEditor = fCellEditors[fColumnNumber]; - // table.showSelection(); - fCellEditor.addListener(fCellEditorListener); - Object value = fCellModifier.getValue(element, property); - fCellEditor.setValue(value); - // Tricky flow of control here: - // activate() can trigger callback to cellEditorListener - // which will clear cellEditor - // so must get control first, but must still call activate() - // even if there is no control. - final Control control = fCellEditor.getControl(); - fCellEditor.activate(); - if (control == null) - return; - setLayoutData(fCellEditor.getLayoutData()); - setEditor(control, fTableItem, fColumnNumber); - fCellEditor.setFocus(); - if (fFocusListener == null) { - fFocusListener = new FocusAdapter() { - public void focusLost(FocusEvent e) { - applyEditorValue(); - } - }; - } - control.addFocusListener(fFocusListener); - fMouseListener = new MouseAdapter() { - public void mouseDown(MouseEvent e) { - // time wrap? - // check for expiration of doubleClickTime - if (e.time <= fDoubleClickExpirationTime) { - control.removeMouseListener(fMouseListener); - cancelEditing(); - handleDoubleClickEvent(); - } else if (fMouseListener != null) { - control.removeMouseListener(fMouseListener); - } - } - }; - control.addMouseListener(fMouseListener); - } - } - } - } - - /** - * Activate a cell editor for the given mouse position. - */ - private void activateCellEditor(MouseEvent event) { - if (fTableItem == null || fTableItem.isDisposed()) { - // item no longer exists - return; - } - int columnToEdit; - int columns = getColumnCount(); - if (columns == 0) { - // If no TableColumn, Table acts as if it has a single column - // which takes the whole width. - columnToEdit = 0; - } else { - columnToEdit = -1; - for (int i = 0; i < columns; i++) { - Rectangle bounds = getBounds(fTableItem, i); - if (bounds.contains(event.x, event.y)) { - columnToEdit = i; - break; - } - } - if (columnToEdit == -1) { - return; - } - } - - fColumnNumber = columnToEdit; - activateCellEditor(); - } - - /** - * Deactivates the currently active cell editor. - */ - public void applyEditorValue() { - CellEditor c = fCellEditor; - if (c != null) { - // null out cell editor before calling save - // in case save results in applyEditorValue being re-entered - // see 1GAHI8Z: ITPUI:ALL - How to code event notification when - // using cell editor ? - fCellEditor = null; - Item t = fTableItem; - // don't null out table item -- same item is still selected - if (t != null && !t.isDisposed()) { - saveEditorValue(c, t); - } - setEditor(null, null, 0); - c.removeListener(fCellEditorListener); - Control control = c.getControl(); - if (control != null) { - if (fMouseListener != null) { - control.removeMouseListener(fMouseListener); - } - if (fFocusListener != null) { - control.removeFocusListener(fFocusListener); - } - } - c.deactivate(); - } - } - - /** - * Cancels the active cell editor, without saving the value back to the - * domain model. - */ - public void cancelEditing() { - if (fCellEditor != null) { - setEditor(null, null, 0); - fCellEditor.removeListener(fCellEditorListener); - CellEditor oldEditor = fCellEditor; - fCellEditor = null; - oldEditor.deactivate(); - } - } - - /** - * Start editing the given element. - * - * @param element - * @param column - */ - public void editElement(Object element, int column) { - if (fCellEditor != null) - applyEditorValue(); - - setSelection(new StructuredSelection(element), true); - Item[] selection = getSelection(); - if (selection.length != 1) - return; - - fTableItem = selection[0]; - - // Make sure selection is visible - showSelection(); - fColumnNumber = column; - activateCellEditor(); - - } - - abstract Rectangle getBounds(Item item, int columnNumber); - - /** - * Return the array of CellEditors used in the viewer - * - * @return the cell editors - */ - public CellEditor[] getCellEditors() { - return fCellEditors; - } - - /** - * Get the cell modifier - * - * @return the cell modifier - */ - public ICellModifier getCellModifier() { - return fCellModifier; - } - - abstract int getColumnCount(); - - /** - * Return the properties for the column - * - * @return the array of column properties - */ - public Object[] getColumnProperties() { - return fColumnProperties; - } - - abstract Item[] getSelection(); - - /** - * Handles the mouse down event; activates the cell editor. - * - * @param event - * the mouse event that should be handled - */ - public void handleMouseDown(MouseEvent event) { - if (event.button != 1) - return; - - if (fCellEditor != null) - applyEditorValue(); - - // activate the cell editor immediately. If a second mouseDown - // is received prior to the expiration of the doubleClick time then - // the cell editor will be deactivated and a doubleClick event will - // be processed. - // - fDoubleClickExpirationTime = event.time + Display.getCurrent().getDoubleClickTime(); - - Item[] items = getSelection(); - // Do not edit if more than one row is selected. - if (items.length != 1) { - fTableItem = null; - return; - } - fTableItem = items[0]; - activateCellEditor(event); - } - - private void initCellEditorListener() { - fCellEditorListener = new ICellEditorListener() { - public void editorValueChanged(boolean oldValidState, boolean newValidState) { - // Ignore. - } - - public void cancelEditor() { - TableEditorImpl.this.cancelEditing(); - } - - public void applyEditorValue() { - TableEditorImpl.this.applyEditorValue(); - } - }; - } - - /** - * Return whether there is an active cell editor. - * - * @return <code>true</code> if there is an active cell editor; otherwise - * <code>false</code> is returned. - */ - public boolean isCellEditorActive() { - return fCellEditor != null; - } - - /** - * Saves the value of the currently active cell editor, by delegating to the - * cell modifier. - */ - private void saveEditorValue(CellEditor cellEditor, Item tableItem) { - if (fCellModifier != null) { - if (!cellEditor.isValueValid()) { - // /Do what ??? - } - String property = null; - if (fColumnProperties != null && fColumnNumber < fColumnProperties.length) - property = fColumnProperties[fColumnNumber]; - fCellModifier.modify(tableItem, property, cellEditor.getValue()); - } - } - - /** - * Set the cell editors - * - * @param editors - */ - public void setCellEditors(CellEditor[] editors) { - fCellEditors = editors; - } - - /** - * Set the cell modifier - * - * @param modifier - */ - public void setCellModifier(ICellModifier modifier) { - fCellModifier = modifier; - } - - /** - * Set the column properties - * - * @param columnProperties - */ - public void setColumnProperties(String[] columnProperties) { - fColumnProperties = columnProperties; - } - - abstract void setEditor(Control w, Item item, int fColumnNumber); - - abstract void setLayoutData(CellEditor.LayoutData layoutData); - - abstract void setSelection(StructuredSelection selection, boolean b); - - abstract void showSelection(); - - abstract void handleDoubleClickEvent(); -} |