diff options
Diffstat (limited to 'plugins/org.eclipse.wst.common.ui/src/org/eclipse/wst/common/ui/internal/viewers/TableNavigator.java')
| -rw-r--r-- | plugins/org.eclipse.wst.common.ui/src/org/eclipse/wst/common/ui/internal/viewers/TableNavigator.java | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/plugins/org.eclipse.wst.common.ui/src/org/eclipse/wst/common/ui/internal/viewers/TableNavigator.java b/plugins/org.eclipse.wst.common.ui/src/org/eclipse/wst/common/ui/internal/viewers/TableNavigator.java deleted file mode 100644 index e729cfb1e..000000000 --- a/plugins/org.eclipse.wst.common.ui/src/org/eclipse/wst/common/ui/internal/viewers/TableNavigator.java +++ /dev/null @@ -1,409 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - *******************************************************************************/ -package org.eclipse.wst.common.ui.internal.viewers; - -import org.eclipse.swt.events.*; -import org.eclipse.swt.SWT; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.widgets.*; - -import org.eclipse.swt.custom.TableCursor; -import org.eclipse.swt.custom.TableTreeItem; -import org.eclipse.jface.viewers.*; - - - /** - * Adds a TableCursor to a StructuredViewer - for keyboard navigation of the table - * The intent of this class is to provide the standard listeners for using F2 to - * activate cell editors. - * - * Due to a current bug in the TableCursor, TableViewers using this class must make - * a call similar to the TableNavigator method moveCellEditorsAbove(cellEditors) - * whenever a setCellEditors call is made in the StructuredViewer. This is so that the - * cell editor control shows up above the table cursor control. - */ - -public class TableNavigator extends TableCursor -{ - private static final String TABLETREEITEM_ID = "TableTreeItemID"; - - final Table table; - - public TableNavigator(Table table, StructuredViewer viewer) - { - super(table, SWT.NONE); - this.table = table; - final Table currentTable = table; - final StructuredViewer sViewer = viewer; - - // Linux index out of bounds fix. See defect 253429, 253433, and more - setVisible(false); - - addPaintListener(viewer); - addKeyListeners(viewer); - addMouseListeners(viewer); - addSelectionListener(new SelectionAdapter() - { - /** - * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(SelectionEvent) - */ - public void widgetSelected(SelectionEvent e) { - super.widgetSelected(e); - if (sViewer instanceof TableTreeViewer) - { - TableTreeItem tableTreeItem = (TableTreeItem)getRow().getData(TABLETREEITEM_ID); - StructuredSelection selection = new StructuredSelection(tableTreeItem.getData()); - sViewer.setSelection(selection, true); - } - } - - - }); - addFocusListener(new FocusAdapter(){ - public void focusGained(FocusEvent e) - { - // if e.source is not a child of the table then set selection - this is for tab into viewer - Object eventSource = e.getSource(); - if (eventSource instanceof Control) - { - if (!isChild(currentTable, (Control)eventSource)) - { - if (currentTable.getItemCount() > 0 && currentTable.getSelectionCount() <= 0) - { - if (sViewer instanceof TableTreeViewer) - { - TableTreeItem tableTreeItem = (TableTreeItem)getRow().getData(TABLETREEITEM_ID); - StructuredSelection selection = new StructuredSelection(tableTreeItem.getData()); - sViewer.setSelection(selection, true); - } - else - { - currentTable.setSelection(0); - setSelection(0,0); - } - } - } - else - { - if (currentTable.getItems().length > 0) - { - // cursor can end up on a non-existent table row - // currently no way to get the current table cursor row - // so for now just catch the exception since it doesn't - // cause any side effects. - try - { - setVisible(true); - } - catch (Exception ee) - { - currentTable.setSelection(0); - setSelection(0,0); - } - } - else // do not show table cursor if there are no elements in the table - avoid repaint - { - setVisible(false); - } - } - } - } - - protected boolean isChild(Control parent, Control child) - { - Control tempChild = child; - while (tempChild != null) - { - if (tempChild == parent) - { - return true; - } - tempChild = tempChild.getParent(); - } - return false; - } - - /** - * @see org.eclipse.swt.events.FocusAdapter#focusLost(FocusEvent) - */ - public void focusLost(FocusEvent e) - { - // Set the table navigator to be not visible if the the table - // is not in focus and a child of the table is not in focus - // note that we do this asynchronously so we don't mess up the - // current focus handling. - Display.getDefault().asyncExec(new Runnable() - { - /** - * @see java.lang.Runnable#run() - */ - public void run() - { - if (currentTable != null && !currentTable.isDisposed() && !currentTable.isFocusControl() && - !isChild(currentTable, Display.getDefault().getFocusControl())) - { - setVisible(false); - } - } - }); - } - - }); - - - - - table.addFocusListener(new FocusAdapter() - { - /** - * @see org.eclipse.swt.events.FocusListener#focusGained(FocusEvent) - */ - public void focusGained(FocusEvent e) - { - // only display navigator if there are items in the table - // and if the focus wasn't gained from our own table navigator - // (ie focus came from outside) - if (currentTable.getItemCount() > 0 && - (Display.getDefault().getFocusControl() != null) && - !Display.getDefault().getFocusControl().equals(TableNavigator.this)) - { - // note that we do this asynchronously so we don't mess up the - // current focus handling. - Display.getDefault().asyncExec(new Runnable() - { - /** - * @see java.lang.Runnable#run() - */ - public void run() - { - if (!isVisible()) - { - try - { - setVisible(true); - setFocus(); - } - catch (Exception e) - { - // catch IllegalArgumentExceptions here - index out of bounds on tableviewer - if (currentTable.getItemCount() > 0) - { - currentTable.setSelection(0); - setSelection(0,0); - } - else // do not show table cursor if there are no elements in the table - avoid repaint - { - setVisible(false); - } - } - } - } - }); - } - } - }); - } - - public Table getTable() - { - return table; - } - - public void addPaintListener(StructuredViewer viewer) - { - final StructuredViewer tableViewer = viewer; - - addPaintListener(new PaintListener() - { - public void paintControl(PaintEvent e) - { - TableItem[] selection = table.getSelection(); - final TableItem row = (selection.length == 0) ? table.getItem(table.getTopIndex()) : selection[0]; - final String cellText = row.getText(getColumn()); - final Image cellImage = row.getImage(getColumn()); - final int col = getColumn(); - - Display.getCurrent().asyncExec(new Runnable() - { - public void run() - { - if (!row.isDisposed()) - { - String newText = row.getText(getColumn()); - TableItem cursorRow = getRow(); - if (!newText.equals(cellText) || !(row.getImage(col) == cellImage)) - { - redraw(); - } - } - } - }); - } - }); - } - - - public SelectionKeyAdapter getKeyAdapter(StructuredViewer viewer) - { - if (keyAdapter == null) - { - return new SelectionKeyAdapter(viewer); - } - else return keyAdapter; - } - - public void setKeyAdapter(SelectionKeyAdapter kAdapter) - { - keyAdapter = kAdapter; - } - - protected SelectionKeyAdapter keyAdapter = null; - - public class SelectionKeyAdapter extends KeyAdapter - { - StructuredViewer structuredViewer; - - public SelectionKeyAdapter(StructuredViewer viewer) - { - super(); - this.structuredViewer = viewer; - } - - int lastKeyPressed = -1; // used to cache the last key for key combos - - public void keyPressed(KeyEvent e) - { - TableItem row = getRow(); - int column = getColumn(); - - // hack to emulate SHIFT+F10 popup menu - otherwise table cursor - // obscures the table popup mechanism and it doesn't work. - if (lastKeyPressed == SWT.SHIFT && e.keyCode == SWT.F10) - { - Menu popup = getTable().getMenu(); - popup.setVisible(true); - } - lastKeyPressed = e.keyCode; - - //jvh - look for + or - key - // column == 0 - if (row.getData(TABLETREEITEM_ID) instanceof TableTreeItem) - { - if (column == 0 && e.character == '+') - { - TableTreeItem tableTreeItem = (TableTreeItem)row.getData(TABLETREEITEM_ID); - ((TableTreeViewer)structuredViewer).setExpandedState(tableTreeItem.getData(), true); - refresh(); - } - else if (column == 0 && e.character == '-') - { - TableTreeItem tableTreeItem = (TableTreeItem)row.getData(TABLETREEITEM_ID); - ((TableTreeViewer)structuredViewer).setExpandedState(tableTreeItem.getData(), false); - refresh(); - } - } - // use F2 to invoke editing for a cell - if (e.keyCode == SWT.F2) - { - if (structuredViewer instanceof TableViewer) - { - ((TableViewer)structuredViewer).editElement(row.getData(), column); - } - else if (structuredViewer instanceof TableTreeViewer) - { - TableTreeItem tableTreeItem = (TableTreeItem)row.getData(TABLETREEITEM_ID); - ((TableTreeViewer)structuredViewer).editElement(tableTreeItem.getData(), column); - } - } - } - } - - public void addKeyListeners(StructuredViewer viewer) - { - final StructuredViewer structuredViewer = viewer; - - addKeyListener(getKeyAdapter(structuredViewer)); - } - - public void addMouseListeners(StructuredViewer viewer) - { - final StructuredViewer structuredViewer = viewer; - - addMouseListener(new MouseAdapter() - { - - public void mouseUp(MouseEvent e) - { - TableItem row = getRow(); - int column = getColumn(); - - // use mouse button 1 to invoke editing for a cell - if (e.button == 1) - { - if (structuredViewer instanceof TableViewer) - { - ((TableViewer)structuredViewer).editElement(row.getData(), column); - } - else if (structuredViewer instanceof TableTreeViewer && column == 1) - { - TableTreeItem tableTreeItem = (TableTreeItem)row.getData(TABLETREEITEM_ID); - ((TableTreeViewer)structuredViewer).editElement(tableTreeItem.getData(), column); - } - - if (structuredViewer instanceof TableTreeViewer && row.getData(TABLETREEITEM_ID) instanceof TableTreeItem) - { - if (column == 0) - { - TableTreeItem tableTreeItem = (TableTreeItem)row.getData(TABLETREEITEM_ID); - boolean expandState = tableTreeItem.getExpanded(); - ((TableTreeViewer)structuredViewer).setExpandedState(tableTreeItem.getData(), !expandState); - refresh(); - } - } - } - } - }); - } - - - /** - * Ensure that cell editor control shows up above the table cursor control. - * Should be called whenever the table viewer makes a new call to setCellEditors - * i.e. in constructor and in refreshCellEditors - * - * @param - array of cell editors for the StructuredViewer - */ - - public void moveCellEditorsAbove(CellEditor[] editorArray) - { - for (int i = 0; i < editorArray.length ; i++) - { - CellEditor cEd = editorArray[i]; - if (cEd != null && cEd.getControl() != null) - { - cEd.getControl().moveAbove(null); - } - } - } - - public void refresh() - { - Display.getCurrent().asyncExec(new Runnable() - { - public void run() - { - if (!isDisposed() && isVisible()) - redraw(); - } - }); - } -} |