diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/AsyncTableRenderingViewer.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/AsyncTableRenderingViewer.java | 1041 |
1 files changed, 0 insertions, 1041 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/AsyncTableRenderingViewer.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/AsyncTableRenderingViewer.java deleted file mode 100644 index d49156999..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/AsyncTableRenderingViewer.java +++ /dev/null @@ -1,1041 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2008 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.views.memory.renderings; - -import java.math.BigInteger; - -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; -import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; -import org.eclipse.debug.internal.ui.DebugUIMessages; -import org.eclipse.debug.internal.ui.DebugUIPlugin; -import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; -import org.eclipse.debug.internal.ui.memory.provisional.AbstractAsyncTableRendering; -import org.eclipse.debug.internal.ui.viewers.AbstractUpdatePolicy; -import org.eclipse.debug.internal.ui.viewers.AsynchronousModel; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IStatusMonitor; -import org.eclipse.debug.internal.ui.views.memory.MemoryViewUtil; -import org.eclipse.jface.resource.JFaceResources; -import org.eclipse.jface.viewers.CellEditor; -import org.eclipse.jface.viewers.IBaseLabelProvider; -import org.eclipse.jface.viewers.ICellEditorListener; -import org.eclipse.jface.viewers.ICellModifier; -import org.eclipse.jface.viewers.ILabelProviderListener; -import org.eclipse.jface.viewers.ITableLabelProvider; -import org.eclipse.jface.viewers.SelectionChangedEvent; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.jface.viewers.TextCellEditor; -import org.eclipse.swt.SWT; -import org.eclipse.swt.custom.TableCursor; -import org.eclipse.swt.custom.TableEditor; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.KeyAdapter; -import org.eclipse.swt.events.KeyEvent; -import org.eclipse.swt.events.MouseAdapter; -import org.eclipse.swt.events.MouseEvent; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.TraverseEvent; -import org.eclipse.swt.events.TraverseListener; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Table; -import org.eclipse.swt.widgets.TableItem; -import org.eclipse.swt.widgets.Text; -import org.eclipse.swt.widgets.Widget; -import org.eclipse.ui.progress.UIJob; - -public class AsyncTableRenderingViewer extends AsyncVirtualContentTableViewer { - - private AbstractAsyncTableRendering fRendering; - - // selection keys - private Object fPendingSelection; - private Object fSelectionKey; - - // cursor and associated listeners - private TableCursor fTableCursor; - private KeyAdapter fCursorKeyAdapter; - private TraverseListener fCursorTraverseListener; - private MouseAdapter fCursorMouseListener; - private SelectionAdapter fCursorSelectionListener; - - // cursor editor and associated listeners - private TableEditor fCursorEditor; - private KeyAdapter fEditorKeyListener; - private CellEditorListener fCellEditorListener; - - private class CellEditorListener implements ICellEditorListener { - - private CellEditor fEditor; - private int fRow; - private int fCol; - - public CellEditorListener(int row, int col, CellEditor editor) { - fEditor = editor; - fRow = row; - fCol = col; - } - - public void applyEditorValue() { - fEditor.removeListener(this); - modifyValue(fRow, fCol, fEditor.getValue()); - } - - public void cancelEditor() { - fEditor.removeListener(this); - } - - public void editorValueChanged(boolean oldValidState, - boolean newValidState) { - } - - public int getRow() - { - return fRow; - } - - public int getCol() - { - return fCol; - } - } - - private boolean fPendingFormatViewer; - - - public AsyncTableRenderingViewer(AbstractAsyncTableRendering rendering, Composite parent, int style) { - super(parent, style); - fRendering = rendering; - - getTable().addMouseListener(new MouseAdapter() { - public void mouseDown(MouseEvent e) { - handleTableMouseEvent(e); - }}); - - createCursor(getTable()); - } - - public AbstractUpdatePolicy createUpdatePolicy() { - return new AsyncTableRenderingUpdatePolicy(); - } - - public AbstractAsyncTableRendering getRendering() - { - return fRendering; - } - - private void createCursor(Table table) - { - fTableCursor = new TableCursor(table, SWT.NONE); - - Display display = fTableCursor.getDisplay(); - - // set up cursor color - fTableCursor.setBackground(display.getSystemColor(SWT.COLOR_LIST_SELECTION)); - fTableCursor.setForeground(display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT)); - - fTableCursor.setFont(JFaceResources.getFont(IInternalDebugUIConstants.FONT_NAME)); - - fCursorKeyAdapter = new KeyAdapter() { - public void keyPressed(KeyEvent e) - { - handleCursorKeyPressed(e); - } - }; - - fTableCursor.addKeyListener(fCursorKeyAdapter); - - fCursorTraverseListener = new TraverseListener() { - public void keyTraversed(TraverseEvent e) { - handleCursorTraverseEvt(e); - }}; - - fTableCursor.addTraverseListener(fCursorTraverseListener); - - fCursorMouseListener = new MouseAdapter() { - public void mouseDown(MouseEvent e) { - handleCursorMouseEvent(e); - }}; - fTableCursor.addMouseListener(fCursorMouseListener); - - // cursor may be disposed before disposed is called - // remove listeners whenever the cursor is disposed - fTableCursor.addDisposeListener(new DisposeListener() { - public void widgetDisposed(DisposeEvent e) { - if (fTableCursor == null) - return; - fTableCursor.removeTraverseListener(fCursorTraverseListener); - fTableCursor.removeKeyListener(fCursorKeyAdapter); - fTableCursor.removeMouseListener(fCursorMouseListener); - fTableCursor.removeSelectionListener(fCursorSelectionListener); - }}); - - fCursorSelectionListener = new SelectionAdapter() { - public void widgetSelected(SelectionEvent e) { - handleCursorMoved(); - } - }; - fTableCursor.addSelectionListener(fCursorSelectionListener); - fCursorEditor = new TableEditor (getTable()); - } - - private void handleCursorKeyPressed(KeyEvent event) - { - if (event.character == '\r' && event.getSource() instanceof TableCursor) - { - activateCellEditor(null); - return; - } - - if (MemoryViewUtil.isValidEditEvent(event.keyCode)) - { - // activate edit as soon as user types something at the cursor - if (event.getSource() instanceof TableCursor) - { - int col = fTableCursor.getColumn(); - if (getCellEditors()[col] instanceof TextCellEditor) - { - String initialValue = String.valueOf(event.character); - activateCellEditor(initialValue); - } - } - } - } - - private void handleCursorMouseEvent(MouseEvent e){ - if (e.button == 1) - { - int col = fTableCursor.getColumn(); - if (col > 0 && col <= (getNumCol())) - activateCellEditor(null); - } - } - - private void handleCursorTraverseEvt(TraverseEvent e){ - if (fTableCursor.getRow() == null) - return; - - Table table = (Table)fTableCursor.getParent(); - int row = table.indexOf(fTableCursor.getRow()); - int col = fTableCursor.getColumn(); - if (col == getNumCol() && e.keyCode == SWT.ARROW_RIGHT) - { - if (row + 1>= table.getItemCount()) - { - return; - } - - row = row +1; - col = 0; - fTableCursor.setSelection(row, col); - } - if (col <= 1 && e.keyCode == SWT.ARROW_LEFT) - { - if (row-1 < 0) - { - return; - } - - row = row - 1; - col = getNumCol()+1; - fTableCursor.setSelection(row, col); - } - - handleCursorMoved(); - } - - /** - * Update selected address. - * Load more memory if required. - */ - private void handleCursorMoved() - { - fSelectionKey = getSelectionKeyFromCursor(); - fPendingSelection = null; - - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - System.out.println(Thread.currentThread().getName() + " cursor moved selection is: " + ((BigInteger)fSelectionKey).toString(16)); //$NON-NLS-1$ - - // now check to see if the cursor is approaching buffer limit - handleScrollBarSelection(); - fireSelectionChanged(fSelectionKey); - } - - private int getNumCol() { - - int bytesPerLine = fRendering.getBytesPerLine(); - int columnSize = fRendering.getBytesPerColumn(); - - return bytesPerLine/columnSize; - } - - /** - * Sets the cursor at the specified address - * @param key selection key - */ - public void setSelection(Object key) - { - fPendingSelection = key; - attemptSetKeySelection(); - } - - public Object getSelectionKey() - { - return fSelectionKey; - } - - private synchronized void attemptSetKeySelection() - { - if (fPendingSelection != null) { - doAttemptSetKeySelection(fPendingSelection); - } - - } - - synchronized private Object doAttemptSetKeySelection(final Object key) - { - if (getBufferTopKey() == null || getBufferEndKey() == null) - return key; - - // calculate selected row address - int[] location = getCoordinatesFromKey(key); - if(location.length == 0) - { - return key; - } - - UIJob uiJob = new UIJob("Set Cursor Selection"){ //$NON-NLS-1$ - - public IStatus runInUIThread(IProgressMonitor monitor) { - try { - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - System.out.println(getRendering() + " set cursor selection " + ((BigInteger)key).toString(16)); //$NON-NLS-1$ - - if (fPendingSelection != null && fPendingSelection != key) - return Status.OK_STATUS; - - if (fTableCursor.isDisposed()) - return Status.OK_STATUS; - - // by the time this is called, the location may not be valid anymore - int[] newLocation = getCoordinatesFromKey(key); - if (newLocation.length == 0) - { - Object selectionKey = getSelectionKey(); - fPendingSelection = selectionKey; - return Status.OK_STATUS; - } - - fSelectionKey = key; - fPendingSelection = null; - - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - { - System.out.println(getRendering() + " set cursor selection, row is " + getTable().getItem(newLocation[0]).getData()); //$NON-NLS-1$ - System.out.println(getRendering() + " set cursor selection, model is " + getVirtualContentModel().getElement(newLocation[0])); //$NON-NLS-1$ - } - - fTableCursor.setSelection(newLocation[0], newLocation[1]); - showTableCursor(true); - - // show the column for the selection - getTable().showColumn(getTable().getColumn(newLocation[1])); - - int topIndex = getTable().getTopIndex(); - Object topKey = getVirtualContentModel().getKey(topIndex); - setTopIndexKey(topKey); - - - } catch (RuntimeException e) { - - // by the time this is called, the selection may no longer - // get the latest selection and try to set selection again - Object selectionKey = getSelectionKey(); - fPendingSelection = selectionKey; - doAttemptSetKeySelection(selectionKey); - } - return Status.OK_STATUS; - }}; - - uiJob.setSystem(true); - uiJob.schedule(); - - return null; - } - - /** - * - * @param key - * @return the coordinates of the key - * Element[0] is the row index - * Element[1] is the column index - */ - private int[] getCoordinatesFromKey(Object key) - { - final int row = indexOf(key); - - if (row == -1) - { - return new int[0]; - } - - Object element = getVirtualContentModel().getElement(row); - final int col = columnOf(element, key); - - if (col == -1) - { - return new int[0]; - } - return new int[]{row, col}; - } - - private Object getSelectionKeyFromCursor() - { - int idx = getTable().indexOf(fTableCursor.getRow()); - int col = fTableCursor.getColumn(); - - return getVirtualContentModel().getKey(idx, col); - } - - private Object getBufferTopKey() - { - return getKey(0); - } - - private Object getBufferEndKey() - { - AbstractVirtualContentTableModel model = getVirtualContentModel(); - - if (model != null) - return getKey(model.getElements().length-1); - return null; - } - - public int indexOf(Object key) - { - int idx = -1; - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - idx = model.indexOfKey(key); - return idx; - } - - private int columnOf(Object element, Object key) - { - int idx = -1; - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - { - idx = model.columnOf(element, key); - } - return idx; - } - - public Object getKey(int index) - { - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - { - Object key = model.getKey(index); - return key; - } - return null; - } - - public Object getKey(int row, int col) - { - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - return model.getKey(row, col); - return null; - } - - - protected synchronized void preservingSelection(Runnable updateCode) { - Object oldTopIndexKey = null; - - if (getPendingSetTopIndexKey() == null) { - // preserve selection - oldTopIndexKey = getTopIndexKey(); - } - else - { - oldTopIndexKey = getPendingSetTopIndexKey(); - } - Object oldSelectionKey = null; - try { - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - { - if (oldTopIndexKey != null) - System.out.println(getRendering() + " preserve top index: " + ((BigInteger)oldTopIndexKey).toString(16)); //$NON-NLS-1$ - else - System.out.println("top index key is null, nothing to preserve"); //$NON-NLS-1$ - } - - if (fPendingSelection != null) - oldSelectionKey = fPendingSelection; - else - oldSelectionKey = getSelectionKey(); - - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - { - if (oldTopIndexKey != null) - System.out.println(getRendering() + " preserve selection: " + ((BigInteger)oldSelectionKey).toString(16)); //$NON-NLS-1$ - else - System.out.println("selection key is null, nothing to preserve"); //$NON-NLS-1$ - } - - // perform the update - updateCode.run(); - - } finally { - - if (oldSelectionKey != null) - { - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - System.out.println(getRendering() + " preserved selection " + ((BigInteger)oldSelectionKey).toString(16)); //$NON-NLS-1$ - setSelection(oldSelectionKey); - } - - if (getPendingSetTopIndexKey() != null) - { - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - System.out.println(getRendering() + " finished top index: " + ((BigInteger)oldTopIndexKey).toString(16)); //$NON-NLS-1$ - setTopIndex(getPendingSetTopIndexKey()); - } - else if (oldTopIndexKey != null) - { - setTopIndex(oldTopIndexKey); - - if (AsyncVirtualContentTableViewer.DEBUG_DYNAMIC_LOADING) - System.out.println(getRendering() + " finished top index: " + ((BigInteger)oldTopIndexKey).toString(16)); //$NON-NLS-1$ - } - } - } - - public void dispose() - { - super.dispose(); - - if (fTableCursor != null && !fTableCursor.isDisposed()) - { - fCursorEditor.dispose(); - fCursorEditor = null; - - fTableCursor.removeTraverseListener(fCursorTraverseListener); - fTableCursor.removeKeyListener(fCursorKeyAdapter); - fTableCursor.removeMouseListener(fCursorMouseListener); - fTableCursor.removeSelectionListener(fCursorSelectionListener); - - fTableCursor.dispose(); - fTableCursor = null; - } - } - - public void showTableCursor(final boolean show) - { - - Display display = DebugUIPlugin.getDefault().getWorkbench().getDisplay(); - if (Thread.currentThread() == display.getThread()) - { - if (!fTableCursor.isDisposed()) - { - if (fTableCursor.isVisible() != show) - fTableCursor.setVisible(show); - } - } - else - { - UIJob job = new UIJob("show table cursor"){ //$NON-NLS-1$ - - public IStatus runInUIThread(IProgressMonitor monitor) { - if (!fTableCursor.isDisposed()) - { - if (fTableCursor.isVisible() != show) - fTableCursor.setVisible(show); - } - return Status.OK_STATUS; - }}; - - job.setSystem(true); - job.schedule(); - } - } - - private void handleTableMouseEvent(MouseEvent e) { - // figure out new cursor position based on here the mouse is pointing - TableItem[] tableItems = getTable().getItems(); - TableItem selectedRow = null; - int colNum = -1; - int numCol = getColumnProperties().length; - - for (int j=0; j<tableItems.length; j++) - { - TableItem item = tableItems[j]; - if (item.getData() != null) - { - for (int i=0; i<numCol; i++) - { - Rectangle bound = item.getBounds(i); - if (bound.contains(e.x, e.y)) - { - colNum = i; - selectedRow = item; - break; - } - } - } - if (colNum >= 0) - break; - } - - // if column position cannot be determined, return - if (colNum < 1) - return; - - // handle user mouse click onto table - // move cursor to new position - if (selectedRow != null) - { - int row = getTable().indexOf(selectedRow); - showTableCursor(true); - fTableCursor.setSelection(row, colNum); - - // manually call this since we don't get an event when - // the table cursor changes selection. - handleCursorMoved(); - - fTableCursor.setFocus(); - } - } - - /** - * Activate cell editor and prefill it with initial value. - * If initialValue is null, use cell content as initial value - * @param initialValue - */ - private void activateCellEditor(String initialValue) { - - final int col = fTableCursor.getColumn(); - final int row = indexOf(fSelectionKey); - - if (row < 0) - return; - - // do not allow user to edit address column - if (col == 0 || col > getNumCol()) { - return; - } - - ICellModifier cellModifier = null; - - cellModifier = getCellModifier(); - - TableItem tableItem = getTable().getItem(row); - - Object element = tableItem.getData(); - - if (element != null) { - Object property = getColumnProperties()[col]; - Object value = cellModifier.getValue(element, (String) property); - boolean canEdit = cellModifier - .canModify(element, (String) property); - - if (!canEdit) - return; - - CellEditor editor = getCellEditors()[col]; - if (editor != null) { - // The control that will be the editor must be a child of the - // Table - Control control = editor.getControl(); - - Object cellValue = null; - - if (initialValue != null) { - cellValue = initialValue; - } else { - cellValue = value; - } - - editor.setValue(cellValue); - - fCursorEditor.horizontalAlignment = SWT.LEFT; - fCursorEditor.grabHorizontal = true; - - // Open the editor editor in selected column of the selected - // row. - fCursorEditor.setEditor(control, tableItem, col); - - // Assign focus to the editor control - editor.setFocus(); - - if (initialValue != null && control instanceof Text) { - ((Text) control).clearSelection(); - } - - control.setFont(JFaceResources - .getFont(IInternalDebugUIConstants.FONT_NAME)); - - // add listeners for the editor control - addListeners(control); - - fCellEditorListener = new CellEditorListener(row, col, editor); - editor.addListener(fCellEditorListener); - - // move cursor below editor control - fTableCursor.moveBelow(control); - } - } - } - - private void deactivateEditor(CellEditor editor) - { - removeListeners(editor.getControl()); - fTableCursor.moveAbove(editor.getControl()); - fTableCursor.setFocus(); - } - - /* - * @param editor - */ - private void addListeners(Control control) { - - fEditorKeyListener = new KeyAdapter() { - public void keyPressed(KeyEvent e) { - handleKeyEventInEditor(e); - } - }; - - control.addKeyListener(fEditorKeyListener); - } - - /** - * @param event - */ - private void handleKeyEventInEditor(KeyEvent event) { - - final KeyEvent e = event; - Display.getDefault().asyncExec(new Runnable() - { - public void run() - { - Object obj = e.getSource(); - if (obj instanceof Control) - { - Control control = (Control)obj; - int row = fCellEditorListener.getRow(); - int col = fCellEditorListener.getCol(); - - try - { - switch (e.keyCode) - { - case 0: - doHandleKeyEvent(row, col); - break; - case SWT.ESC: - cancelEditing(row, col); - break; - default : - doHandleKeyEvent(row, col); - break; - } - } - catch (NumberFormatException e1) - { - MemoryViewUtil.openError(DebugUIMessages.MemoryViewCellModifier_failure_title, - DebugUIMessages.MemoryViewCellModifier_data_is_invalid, null); - - fTableCursor.setSelection(row, col); - handleCursorMoved(); - - removeListeners(control); - } - } - } - }); - } - - private void doHandleKeyEvent(int row, int col) - { - int numCharsPerByte = fRendering.getNumCharsPerByte(); - if (numCharsPerByte > 0) - { - Object value = getCellEditors()[col].getValue(); - if (getCellEditors()[col] instanceof TextCellEditor && value instanceof String) - { - String str = (String)value; - - if (str.length() > fRendering.getBytesPerColumn()*numCharsPerByte) - { - String newValue = str; - - CellEditor editor = getCellEditors()[col]; - editor.setValue(newValue.substring(0,fRendering.getBytesPerColumn()* numCharsPerByte)); - - // We want to call modify value here to avoid race condition. - // Relying on the editor event to modify the cell may introduce a race condition since - // we try to activate another cell editor in this method. If we happen to use same cell - // editor in the next activation, the value of the editor may be incorrect when the listener gets the event. - // We may write the wrong value in that case. Calling modify here allows us to capture the value - // now and send that to the model. - fCellEditorListener.cancelEditor(); - deactivateEditor(editor); - modifyValue(fCellEditorListener.getRow(), fCellEditorListener.getCol(), editor.getValue()); - - // if cursor is at the end of a line, move to next line - if (col >= getNumCol()) - { - col = 1; - row++; - } - else - { - col++; - } - - fTableCursor.setSelection(row, col); - handleCursorMoved(); - - activateCellEditor(newValue.substring(fRendering.getBytesPerColumn()*numCharsPerByte)); - } - } - } - } - - private void cancelEditing(int row, int col) - { - // if user has pressed escape, do not commit the changes - // remove listener to avoid getting notified on the modify value - fCellEditorListener.cancelEditor(); - deactivateEditor(getCellEditors()[col]); - - fTableCursor.setSelection(row, col); - handleCursorMoved(); - - // cursor needs to have focus to remove focus from cell editor - fTableCursor.setFocus(); - } - - /** - * @param control - */ - private void removeListeners(Control control) { - - control.removeKeyListener(fEditorKeyListener); - } - - /** - * Modify value and send new value to debug adapter - * @param row - * @param col - * @param newValue - * @throws NumberFormatException - */ - private void modifyValue(int row, int col, Object newValue) throws NumberFormatException - { - if (newValue instanceof String && ((String)newValue).length() == 0) - { - // do not do anything if user has not entered anything - return; - } - - if (row >= 0 && row < getTable().getItemCount()) - { - TableItem tableItem = getTable().getItem(row); - - Object property = getColumnProperties()[col]; - getCellModifier().modify(tableItem, (String)property, newValue); - } - } - - public TableCursor getCursor() - { - return fTableCursor; - } - - /* (non-Javadoc) - * @see org.eclipse.jface.viewers.ContentViewer#getLabelProvider() - * Implemented minimum to work with PrintTableRendering action. - * This is not a real table labe provider, only goes to the table - * to get the text at the specified row and column. - */ - public IBaseLabelProvider getLabelProvider() { - return new ITableLabelProvider() { - - public Image getColumnImage(Object element, int columnIndex) { - return null; - } - - public String getColumnText(Object element, int columnIndex) { - int idx = getVirtualContentModel().indexOfElement(element); - if (idx >= 0 ) - { - TableItem item = getTable().getItem(idx); - return item.getText(columnIndex); - } - return IInternalDebugCoreConstants.EMPTY_STRING; - } - - public void addListener(ILabelProviderListener listener) { - } - - public void dispose() { - } - - public boolean isLabelProperty(Object element, String property) { - return false; - } - - public void removeListener(ILabelProviderListener listener) { - }}; - } - - public void formatViewer() - { - if (getModel() == null || !hasPendingUpdates()) - doFormatViewer(); - else - // do not format in the middle of an update - // set pending update and will format when update is completed - fPendingFormatViewer = true; - } - - /** - * - */ - private void doFormatViewer() { - fPendingFormatViewer = false; - preservingSelection(new Runnable() { - - public void run() { - // causes the content of the table viewer to be replaced - // without asking content adapter for content - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - { - model.handleViewerChanged(); - } - }}); - } - - private void fireSelectionChanged(Object selectionKey) - { - if (selectionKey != null) - { - SelectionChangedEvent evt = new SelectionChangedEvent(this, new StructuredSelection(selectionKey)); - fireSelectionChanged(evt); - } - } - - public void handlePresentationFailure(IStatusMonitor monitor, IStatus status) { - super.handlePresentationFailure(monitor, status); - } - - public void refresh(boolean getContent) - { - if (getContent) - refresh(); - else - { - preservingSelection(new Runnable() { - - public void run() { - AbstractVirtualContentTableModel model = getVirtualContentModel(); - if (model != null) - { - Object[] elements = model.getElements(); - model.remove(elements); - model.add(elements); - } - }}); - } - } - - protected void tableTopIndexSetComplete() { - - if (!fTableCursor.isDisposed()) - { - // TODO: work around swt bug, must force a table cursor redraw after top index is changed - // BUG 130130 - int[] coordinates = getCoordinatesFromKey(getSelectionKey()); - if (coordinates.length > 0) - fTableCursor.setVisible(true); - else - fTableCursor.setVisible(false); - } - } - - /* (non-Javadoc) - * @see org.eclipse.debug.internal.ui.viewers.model.provisional.viewers.AsynchronousViewer#getModel() - */ - public AsynchronousModel getModel() { - return super.getModel(); - } - - // TODO: need pluggable model to be truly flexible - protected AbstractVirtualContentTableModel createVirtualContentTableModel() { - return new TableRenderingModel(this); - } - - protected void updateComplete(IStatusMonitor monitor) { - super.updateComplete(monitor); - - if (!hasPendingUpdates() && !fTableCursor.isDisposed()) - { - attemptSetKeySelection(); - fTableCursor.redraw(); - - // if the viewer has pending top index, then more updates will come in - // and the cursor should not be redrawn yet. - if (!hasPendingSetTopIndex()) - { - preservingSelection(new Runnable() { - - public void run() { - - int[] coordinates = getCoordinatesFromKey(getSelectionKey()); - if (coordinates.length > 0) - fTableCursor.setVisible(true); - else - fTableCursor.setVisible(false); - }}); - } - } - - if (!hasPendingUpdates() && fPendingFormatViewer) - { - formatViewer(); - resizeColumnsToPreferredSize(); - } - } - - protected void clear(Widget item) { - super.clear(item); - - // this table viewer assumes that #getData will return null - // set data to null when clearing an item. - // only visible item will get SET DATA event again and at that time - // the viewer would set the data back. - if (item instanceof TableItem) - { - item.setData(null); - } - } -} |