Java tutorial
/******************************************************************************* * Copyright (c) 2015 EmbSysRegView * 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: * ravenclaw78 - initial API and implementation *******************************************************************************/ package org.eclipse.cdt.embsysregview.views; import java.net.URL; import java.text.ParseException; import net.miginfocom.swt.MigLayout; 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.Tree; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.ui.part.*; import org.eclipse.jface.action.Action; import org.eclipse.jface.preference.IPreferenceNode; import org.eclipse.jface.preference.IPreferencePage; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.preference.PreferenceManager; import org.eclipse.jface.preference.PreferenceNode; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.jface.viewers.*; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.RowData; import org.eclipse.swt.layout.RowLayout; import org.eclipse.ui.*; import org.eclipse.swt.SWT; import org.eclipse.cdt.embsysregview.Activator; import org.eclipse.cdt.embsysregview.parser.RegisterXMLParser; import org.eclipse.cdt.embsysregview.preferences.PreferencePageEmbSys; import org.eclipse.cdt.embsysregview.preferences.PreferencePageEmbSysBehavior; import org.eclipse.core.runtime.Platform; import org.jdom.JDOMException; import org.osgi.framework.Bundle; import org.eclipse.cdt.embsysregview.views.Utils; /** * Generates a View, displaying Registers for an Embedded Device */ public class EmbSysRegView extends ViewPart implements IGDBInterfaceSuspendListener, IGDBInterfaceTerminateListener { protected TreeViewer viewer; private TreeParent invisibleRoot; private Label infoLabel; private Button configButton, collapseButton, activateAllButton, copyButton; private Composite header; private Action doubleClickAction; private Image selectedImage, unselectedImage, selectedFieldImage, unselectedFieldImage, infoImage, interpretationImage, configButtonImage; static public GDBInterface GDBi; private TreeElement currentEditedElement = null; /** * This is the Content Provider that present the Static Model to the * TreeViewer */ class ViewContentProvider implements IStructuredContentProvider, ITreeContentProvider { public ViewContentProvider() { initialize(); Activator.getDefault().getPreferenceStore().addPropertyChangeListener(new IPropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent event) { // only rebuild tree on chip/board change if (event.getProperty().equals("architecture") || event.getProperty().equals("vendor") || event.getProperty().equals("chip") || event.getProperty().equals("board")) { initialize(); viewer.setInput(invisibleRoot); viewer.refresh(); updateInfoLabel(); } } }); } public void inputChanged(Viewer v, Object oldInput, Object newInput) { } public void dispose() { } public Object[] getElements(Object parent) { if (parent.equals(getViewSite())) { if (invisibleRoot == null) initialize(); return getChildren(invisibleRoot); } return getChildren(parent); } public Object getParent(Object child) { if (child instanceof TreeElement) { return ((TreeElement) child).getParent(); } return null; } public Object[] getChildren(Object parent) { if (parent instanceof TreeParent) { return ((TreeParent) parent).getChildren(); } return new Object[0]; } public boolean hasChildren(Object parent) { if (parent instanceof TreeParent) return ((TreeParent) parent).hasChildren(); return false; } private void initialize() { // initialize invisibleRoot with an empty TreeParent to show an empty Tree if LoadXML fails invisibleRoot = new TreeParent("", ""); try { invisibleRoot = new RegisterXMLParser().LoadXML(); } catch (JDOMException e) { } catch (ParseException e) { } } } /** * The constructor. */ public EmbSysRegView() { GDBi = new GDBEventListener(); GDBi.addSuspendListener(this); GDBi.addterminateListener(this); } private void updateInfoLabel() { IPreferenceStore store = Activator.getDefault().getPreferenceStore(); String store_architecture = store.getString("architecture"); String store_vendor = store.getString("vendor"); String store_chip = store.getString("chip"); String store_board = store.getString("board"); if (invisibleRoot == null || !invisibleRoot.hasChildren()) infoLabel.setText( "ERROR: Please select a chip using the preference page (c++/Debug/EmbSys Register View)"); else if (store_board == "") infoLabel .setText("Arch: " + store_architecture + " Vendor: " + store_vendor + " Chip: " + store_chip); else infoLabel.setText("Arch: " + store_architecture + " Vendor: " + store_vendor + " Chip: " + store_chip + " Board: " + store_board); } /** * This is a callback that creates the viewer and initialize it. */ public void createPartControl(final Composite parent) { Bundle bundle = Platform.getBundle("org.eclipse.cdt.embsysregview"); URL fileURL = bundle.getEntry("icons/selected_register.png"); URL fileURL2 = bundle.getEntry("icons/unselected_register.png"); URL fileURL3 = bundle.getEntry("icons/selected_field.png"); URL fileURL4 = bundle.getEntry("icons/unselected_field.png"); URL fileURL5 = bundle.getEntry("icons/info.png"); URL fileURL6 = bundle.getEntry("icons/interpretation.png"); URL fileURL7 = bundle.getEntry("icons/config.png"); try { selectedImage = new Image(parent.getDisplay(), fileURL.openStream()); unselectedImage = new Image(parent.getDisplay(), fileURL2.openStream()); selectedFieldImage = new Image(parent.getDisplay(), fileURL3.openStream()); unselectedFieldImage = new Image(parent.getDisplay(), fileURL4.openStream()); infoImage = new Image(parent.getDisplay(), fileURL5.openStream()); interpretationImage = new Image(parent.getDisplay(), fileURL6.openStream()); configButtonImage = new Image(parent.getDisplay(), fileURL7.openStream()); } catch (Exception e) { selectedImage = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR); unselectedImage = PlatformUI.getWorkbench().getSharedImages() .getImage(ISharedImages.IMG_DEC_FIELD_ERROR); selectedFieldImage = PlatformUI.getWorkbench().getSharedImages() .getImage(ISharedImages.IMG_DEC_FIELD_ERROR); unselectedFieldImage = PlatformUI.getWorkbench().getSharedImages() .getImage(ISharedImages.IMG_DEC_FIELD_ERROR); infoImage = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR); interpretationImage = PlatformUI.getWorkbench().getSharedImages() .getImage(ISharedImages.IMG_DEC_FIELD_ERROR); configButtonImage = PlatformUI.getWorkbench().getSharedImages() .getImage(ISharedImages.IMG_DEC_FIELD_ERROR); } TreeViewerColumn column; parent.setLayout(new MigLayout("fill", "", "")); header = new Composite(parent, SWT.NONE); /*header.setLayout(new MigLayout("fill","",""));*/ header.setLayoutData("dock north,height 16px,width 100%,wmin 0,hmin 16,gap 0 0 -5 0"); RowLayout rowLayout = new RowLayout(SWT.HORIZONTAL); rowLayout.marginLeft = -1; rowLayout.marginRight = 0; rowLayout.marginTop = -1; rowLayout.marginBottom = 0; rowLayout.fill = true; rowLayout.wrap = false; rowLayout.spacing = 5; header.setLayout(rowLayout); configButton = new Button(header, SWT.FLAT); configButton.setImage(configButtonImage); configButton.setSize(17, 17); RowData data = new RowData(); data.width = 17; data.height = 17; configButton.setLayoutData(data); configButton.addListener(SWT.Selection, new Listener() { public void handleEvent(Event e) { if (e.type == SWT.Selection) { IPreferencePage page = new PreferencePageEmbSys(); page.setTitle("EmbSysRegView"); IPreferencePage page2 = new PreferencePageEmbSysBehavior(); page2.setTitle("Behavior"); PreferenceManager mgr = new PreferenceManager(); IPreferenceNode node = new PreferenceNode("1", page); node.add(new PreferenceNode("2", page2)); mgr.addToRoot(node); PreferenceDialog dialog = new PreferenceDialog( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), mgr); dialog.create(); dialog.setMessage(page.getTitle()); dialog.open(); } } }); collapseButton = new Button(header, SWT.FLAT); collapseButton.setLayoutData(new RowData(17, 17)); collapseButton .setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_ELCL_COLLAPSEALL)); collapseButton.setToolTipText("Collapse all open tree nodes"); collapseButton.addListener(SWT.Selection, new Listener() { public void handleEvent(Event e) { if (e.type == SWT.Selection) { viewer.collapseAll(); } } }); activateAllButton = new Button(header, SWT.FLAT); activateAllButton.setLayoutData(new RowData(17, 17)); activateAllButton.setText("*"); // Not very clear, should/could be some custom graphics featuring the color green, perhaps? activateAllButton.setToolTipText( "Activate all registers (or none, if Control is pressed); press Shift to only affect visible registers"); activateAllButton.addListener(SWT.Selection, new Listener() { public void handleEvent(Event e) { if (e.type == SWT.Selection) { activateAll((e.stateMask & SWT.CONTROL) == 0, (e.stateMask & SWT.SHIFT) != 0); } } }); copyButton = new Button(header, SWT.FLAT); copyButton.setLayoutData(new RowData(17, 17)); copyButton.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_COPY)); copyButton.setToolTipText("Copy active (green) register values to clipboard"); copyButton.addListener(SWT.Selection, new Listener() { public void handleEvent(Event e) { if (e.type == SWT.Selection) { final StringBuilder sb = new StringBuilder(); copyRegisters(sb); if (sb.length() > 0) { final Clipboard cb = new Clipboard(Display.getCurrent()); final TextTransfer tt = TextTransfer.getInstance(); cb.setContents(new Object[] { sb.toString() }, new Transfer[] { tt }); } } } }); infoLabel = new Label(header, SWT.NONE); viewer = new TreeViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION); viewer.getControl().setLayoutData("height 100%,width 100%,hmin 0,wmin 0"); viewer.getTree().setLinesVisible(true); viewer.getTree().setHeaderVisible(true); // Registername column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(250); column.getColumn().setMoveable(false); column.getColumn().setText("Register"); column.setLabelProvider(new ColumnLabelProvider() { @Override public Color getForeground(Object element) { if (element instanceof TreeRegister) if (((TreeRegister) element).isRetrievalActive()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_DARK_GREEN); if (element instanceof TreeField) if (((TreeRegister) ((TreeField) element).getParent()).isRetrievalActive()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_DARK_GREEN); return null; } public String getText(Object element) { if (element instanceof TreeField) { final int bitOffset = ((TreeField) element).getBitOffset(); final int bitLength = ((TreeField) element).getBitLength(); if (bitLength == 1) return element.toString() + " (bit " + String.valueOf(bitOffset) + ")"; else return element.toString() + " (bits " + String.valueOf(bitOffset + bitLength - 1) + "-" + String.valueOf(bitOffset) + ")"; } else return element.toString(); } public Image getImage(Object obj) { if (obj instanceof TreeParent) { if (obj instanceof TreeRegister) if (((TreeRegister) obj).isRetrievalActive()) return selectedImage; else return unselectedImage; } if (obj instanceof TreeField) { if (((TreeRegister) ((TreeField) obj).getParent()).isRetrievalActive()) return selectedFieldImage; else return unselectedFieldImage; } return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER); } }); // Hex Value column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(80); column.getColumn().setMoveable(false); column.getColumn().setText("Hex"); column.setLabelProvider(new ColumnLabelProvider() { @Override public Color getForeground(Object element) { if (element instanceof TreeRegister) if (!((TreeRegister) element).isWriteOnly()) if (((TreeRegister) element).hasValueChanged()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_RED); if (element instanceof TreeField) if (!((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()) if (((TreeField) element).hasValueChanged()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_RED); return null; } public String getText(Object element) { if (element instanceof TreeGroup) return ""; if (element instanceof TreeRegisterGroup) return ""; if (element instanceof TreeRegister) if (((TreeRegister) element).getValue() == -1) return ""; else if (((TreeRegister) element).isWriteOnly()) return "- write only -"; else return Utils.longtoHexString(((TreeRegister) element).getValue(), ((TreeRegister) element).getBitSize()); if (element instanceof TreeField) if (((TreeRegister) ((TreeField) element).getParent()).getValue() == -1) return ""; else if (((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()) return "- write only -"; else return Utils.longtoHexString(((TreeField) element).getValue(), ((TreeField) element).getBitLength()); else return element.toString(); } }); final TextCellEditor textCellEditor = new TextCellEditor(viewer.getTree()); textCellEditor.setValidator(new HexCellEditorValidator(viewer)); final ComboBoxCellEditor comboBoxCellEditor = new ComboBoxCellEditor(viewer.getTree(), new String[0], SWT.NONE); comboBoxCellEditor.setValidator(new HexCellEditorValidator(viewer)); ((CCombo) comboBoxCellEditor.getControl()).addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { int selectionIndex = ((CCombo) comboBoxCellEditor.getControl()).getSelectionIndex(); TreeElement obj = currentEditedElement; if (obj instanceof TreeField) { long value = -1; if (selectionIndex != -1) { value = ((TreeField) obj).getInterpretations() .getValue(((CCombo) comboBoxCellEditor.getControl()).getItem(selectionIndex)); } else { String svalue = ((CCombo) comboBoxCellEditor.getControl()).getText(); if (svalue.startsWith("0x")) value = Long.valueOf(svalue.substring(2, svalue.length()), 16); } if (value != -1) ((TreeField) obj).setValue(value); } if (((TreeRegister) obj.getParent()).isWriteOnly()) updateTreeFields(invisibleRoot); viewer.refresh(); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); comboBoxCellEditor.addListener(new ICellEditorListener() { @Override public void applyEditorValue() { int selectionIndex = ((CCombo) comboBoxCellEditor.getControl()).getSelectionIndex(); TreeElement obj = currentEditedElement; if (obj instanceof TreeField) { long value = -1; if (selectionIndex != -1) { value = ((TreeField) obj).getInterpretations() .getValue(((CCombo) comboBoxCellEditor.getControl()).getItem(selectionIndex)); } else { String svalue = ((CCombo) comboBoxCellEditor.getControl()).getText(); if (svalue.startsWith("0x")) value = Long.valueOf(svalue.substring(2, svalue.length()), 16); } if (value != -1) ((TreeField) obj).setValue(value); } if (((TreeRegister) obj.getParent()).isWriteOnly()) updateTreeFields(invisibleRoot); viewer.refresh(); } @Override public void cancelEditor() { } @Override public void editorValueChanged(boolean oldValidState, boolean newValidState) { } }); column.setEditingSupport(new EditingSupport(viewer) { @Override protected boolean canEdit(Object element) { if (element instanceof TreeField && ((((TreeRegister) ((TreeField) element).getParent()).isReadWrite()) || (((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()))) return true; if (element instanceof TreeRegister && (((TreeRegister) element).isReadWrite() || ((TreeRegister) element).isWriteOnly())) return true; return false; } @Override protected CellEditor getCellEditor(Object element) { if (element instanceof TreeField && ((TreeField) element).hasInterpretations()) { comboBoxCellEditor.setItems(((TreeField) element).getInterpretations().getInterpretations()); IPreferenceStore store = Activator.getDefault().getPreferenceStore(); int store_combolength = store.getInt("combolength"); if (store_combolength > 0) ((CCombo) comboBoxCellEditor.getControl()).setVisibleItemCount(store_combolength); currentEditedElement = (TreeElement) element; return comboBoxCellEditor; } else return textCellEditor; } @Override protected Object getValue(Object element) { if (element instanceof TreeField && ((TreeField) element).hasInterpretations()) { // TODO: check if the Integer is for index in the combobox return new Integer((int) ((TreeField) element).getValue()); // TODO: what to do on large bitfield ? } else { if (element instanceof TreeField && ((TreeField) element).getValue() != -1) return Utils.longtoHexString(((TreeField) element).getValue(), ((TreeField) element).getBitLength()); if (element instanceof TreeRegister && ((TreeRegister) element).getValue() != -1) return Utils.longtoHexString(((TreeRegister) element).getValue(), ((TreeRegister) element).getBitSize()); } return null; } @Override protected void setValue(Object element, Object value) { if (value == null) return; if (value instanceof String) { if (element instanceof TreeRegister && ((String) value).startsWith("0x")) { String svalue = ((String) value); long lvalue = Long.valueOf(svalue.substring(2, svalue.length()), 16); TreeRegister treeRegister = ((TreeRegister) element); if (treeRegister.getValue() != -1 && treeRegister.getValue() != lvalue) { // Update Value on device treeRegister.setAndWriteValue(lvalue); if (((TreeRegister) element).isWriteOnly()) updateTreeFields(invisibleRoot); viewer.refresh(); } } if (element instanceof TreeField && ((String) value).startsWith("0x")) { String svalue = ((String) value); long fvalue = Long.valueOf(svalue.substring(2, svalue.length()), 16); TreeField treeField = ((TreeField) element); if (treeField.getValue() != -1 && treeField.getValue() != fvalue) { TreeRegister treeRegister = ((TreeRegister) treeField.getParent()); // calculate register value + modified field to write into register long rvalue = treeRegister.getValue(); int bitLength = treeField.getBitLength(); int bitOffset = treeField.getBitOffset(); long mask; mask = (0xFFFFFFFFL >> (32 - bitLength)) << bitOffset; rvalue = rvalue & (~mask); // clear field bits in register value fvalue = fvalue << bitOffset; // shift field value into its position in the register fvalue = fvalue & mask; // just to be sure, cut everything but the field rvalue = rvalue | fvalue; // blend the field value into the register value // Update Value in Target treeRegister.setAndWriteValue(rvalue); if (((TreeRegister) (((TreeField) element).getParent())).isWriteOnly()) updateTreeFields(invisibleRoot); viewer.refresh(treeRegister); } } } //TODO: why...what for... //viewer.refresh(element); } }); // Binary Value column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(200); column.getColumn().setMoveable(false); column.getColumn().setText("Bin"); column.setLabelProvider(new ColumnLabelProvider() { @Override public Color getForeground(Object element) { if (element instanceof TreeRegister) if (!((TreeRegister) element).isWriteOnly()) if (((TreeRegister) element).hasValueChanged()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_RED); if (element instanceof TreeField) if (!((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()) if (((TreeField) element).hasValueChanged()) return parent.getShell().getDisplay().getSystemColor(SWT.COLOR_RED); return null; } public String getText(Object element) { if (element instanceof TreeGroup) return ""; if (element instanceof TreeRegisterGroup) return ""; if (element instanceof TreeRegister) if (((TreeRegister) element).getValue() == -1) return ""; else if (((TreeRegister) element).isWriteOnly()) return "------------- write only -------------"; else return Utils.longtobinarystring(((TreeRegister) element).getValue(), ((TreeRegister) element).getBitSize()); if (element instanceof TreeField) if (((TreeRegister) ((TreeField) element).getParent()).getValue() == -1) return ""; else if (((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()) return "------------- write only -------------"; else return Utils.longtobinarystring(((TreeField) element).getValue(), ((TreeField) element).getBitLength()); else return element.toString(); } }); column.setEditingSupport(new EditingSupport(viewer) { @Override protected boolean canEdit(Object element) { if (element instanceof TreeField && ((((TreeRegister) ((TreeField) element).getParent()).isReadWrite()) || (((TreeRegister) ((TreeField) element).getParent()).isWriteOnly()))) return true; if (element instanceof TreeRegister && (((TreeRegister) element).isReadWrite() || ((TreeRegister) element).isWriteOnly())) return true; return false; } @Override protected CellEditor getCellEditor(Object element) { return new BinaryButtonsCellEditor(viewer.getTree(), viewer); } @Override protected Object getValue(Object element) { return element; } @Override protected void setValue(Object element, Object value) { viewer.refresh(element); } }); // Register Reset Value (hex) column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(80); column.getColumn().setMoveable(false); column.getColumn().setText("Reset"); column.setLabelProvider(new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof TreeGroup) return ""; if (element instanceof TreeRegisterGroup) return ""; if (element instanceof TreeRegister) return Utils.longtoHexString(((TreeRegister) element).getResetValue(), ((TreeRegister) element).getBitSize()); if (element instanceof TreeField) return ""; else return ""; } }); // Register Access column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setAlignment(SWT.CENTER); column.getColumn().setWidth(50); column.getColumn().setMoveable(false); column.getColumn().setText("Access"); column.setLabelProvider(new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof TreeGroup) return ""; if (element instanceof TreeRegisterGroup) return ""; if (element instanceof TreeRegister) return ((TreeRegister) element).getType().toUpperCase(); if (element instanceof TreeField) return ""; else return ""; } }); // Register Address (hex) column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(80); column.getColumn().setMoveable(false); column.getColumn().setText("Address"); column.setLabelProvider(new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof TreeGroup) return ""; if (element instanceof TreeRegisterGroup) return ""; if (element instanceof TreeRegister) return Utils.longtoHexString(((TreeRegister) element).getRegisterAddress(), 32); //TODO: get address width from xml ... if (element instanceof TreeField) return ""; else return ""; } }); // Description column = new TreeViewerColumn(viewer, SWT.NONE); column.getColumn().setWidth(300); column.getColumn().setMoveable(false); column.getColumn().setText("Description"); ColumnViewerToolTipSupport.enableFor(viewer); column.setLabelProvider(new CellLabelProvider() { public String getToolTipText(Object element) { if (element instanceof TreeRegister) { // only display if more than one line is found if (org.eclipse.cdt.embsysregview.views.Utils .countTextLines(((TreeRegister) element).getDescription()) > 1) return ((TreeRegister) element).getDescription(); else return null; } if (element instanceof TreeField) { // display tooltip if more than one line is found, or an interpretation is shown instead of this one line if (org.eclipse.cdt.embsysregview.views.Utils .countTextLines(((TreeField) element).getDescription()) > 1 || ((TreeField) element).hasInterpretation()) return ((TreeField) element).getDescription(); else return null; } return null; } public Point getToolTipShift(Object object) { return new Point(5, 5); } public int getToolTipDisplayDelayTime(Object object) { return 200; } public int getToolTipTimeDisplayed(Object object) { return 0; } public void update(ViewerCell cell) { Object element = cell.getElement(); if (element instanceof TreeGroup) cell.setText(((TreeGroup) element).getDescription()); if (element instanceof TreeRegisterGroup) cell.setText(((TreeRegisterGroup) element).getDescription()); if (element instanceof TreeRegister) { cell.setText(org.eclipse.cdt.embsysregview.views.Utils .getFirstNotEmptyTextLine(((TreeRegister) element).getDescription()).trim()); } if (element instanceof TreeField) if (((TreeField) element).hasInterpretation()) { cell.setText(((TreeField) element).getInterpretation()); cell.setImage(interpretationImage); } else { // Display first line cell.setText(org.eclipse.cdt.embsysregview.views.Utils .getFirstNotEmptyTextLine(((TreeField) element).getDescription()).trim()); // Display Icon if there are more than one line if (org.eclipse.cdt.embsysregview.views.Utils .countTextLines(((TreeField) element).getDescription()) > 1) cell.setImage(infoImage); } } }); doubleClickAction = new Action() { public void run() { ISelection selection = viewer.getSelection(); Object obj = ((IStructuredSelection) selection).getFirstElement(); int selectedColumn = -1; Tree tree = viewer.getTree(); Point pt = tree.toControl(Display.getCurrent().getCursorLocation()); viewer.getTree().getColumnCount(); for (int i = 0; i < tree.getColumnCount(); i++) { TreeItem item = tree.getItem(pt); if (item != null) { if (item.getBounds(i).contains(pt)) { selectedColumn = i; } } } if (obj instanceof TreeRegisterGroup && selectedColumn == 0) { TreeRegisterGroup treeRegisterGroup = ((TreeRegisterGroup) obj); TreeElement[] treeElements = treeRegisterGroup.getChildren(); for (TreeElement treeElement : treeElements) { TreeRegister treeRegister = ((TreeRegister) treeElement); if (!treeRegister.isWriteOnly()) { treeRegister.toggleRetrieval(); treeRegister.readValue(); } } viewer.refresh(obj); } if (obj instanceof TreeRegister && selectedColumn == 0) { TreeRegister treeRegister = ((TreeRegister) obj); if (!treeRegister.isWriteOnly()) { treeRegister.toggleRetrieval(); treeRegister.readValue(); viewer.refresh(obj); } } if (obj instanceof TreeField && selectedColumn == 0) { TreeField treeField = ((TreeField) obj); TreeRegister treeRegister = ((TreeRegister) treeField.getParent()); if (!treeRegister.isWriteOnly()) { treeRegister.toggleRetrieval(); treeRegister.readValue(); viewer.refresh(treeField.getParent()); } } } }; viewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { doubleClickAction.run(); } }); viewer.setContentProvider(new ViewContentProvider()); updateInfoLabel(); viewer.setInput(invisibleRoot); } @Override public void dispose() { GDBi.dispose(); } /** * Passing the focus request to the viewer's control. */ public void setFocus() { viewer.getControl().setFocus(); } /** * Updates Data for all TreeFields */ private void updateTreeFields(TreeElement element) { if (element instanceof TreeRegister) ((TreeRegister) element).readValue(); else if (element instanceof TreeParent && ((TreeParent) element).hasChildren()) { TreeParent pelement = (TreeParent) element; for (TreeElement telement : pelement.getChildren()) updateTreeFields(telement); } } public void copyRegisters(StringBuilder sb) { class RegisterCopyAdder { StringBuilder stringBuilder; public RegisterCopyAdder(StringBuilder sb) { stringBuilder = sb; } public void add(TreeElement element) { if (element instanceof TreeRegister) { final TreeRegister reg = (TreeRegister) element; if (reg.isRetrievalActive()) { stringBuilder.append(reg.getName() + "=" + reg.getValue() + "\n"); } } else if (element instanceof TreeParent) { final TreeParent p = (TreeParent) element; for (final TreeElement ce : p.getChildren()) add(ce); } } } ; final RegisterCopyAdder adder = new RegisterCopyAdder(sb); adder.add(invisibleRoot); } public void activateAll(boolean newActivationStatus, boolean onlyVisible) { class ActivationSetter { boolean newActivationStatus; public ActivationSetter(boolean newActivationStatus) { this.newActivationStatus = newActivationStatus; } public void set(TreeElement te) { if (te instanceof TreeRegister) { ((TreeRegister) te).setRetrievalActive(newActivationStatus); } else if (te instanceof TreeParent) { final TreeParent tp = (TreeParent) te; for (final TreeElement ce : tp.getChildren()) set(ce); } } } final ActivationSetter as = new ActivationSetter(newActivationStatus); if (onlyVisible) { for (final Object o : viewer.getExpandedElements()) { if (o instanceof TreeElement) as.set((TreeElement) o); } } else as.set(invisibleRoot); viewer.refresh(); } /** * Clears Data from all TreeFields */ private void clearTreeFields(TreeElement element) { if (element instanceof TreeRegister) ((TreeRegister) element).clearValue(); else if (element instanceof TreeParent && ((TreeParent) element).hasChildren()) { TreeParent pelement = (TreeParent) element; for (TreeElement telement : pelement.getChildren()) clearTreeFields(telement); } } @Override public void gdbTerminateListener() { clearTreeFields(invisibleRoot); Display.getDefault().asyncExec(new Runnable() { public void run() { viewer.refresh(); } }); } @Override public void gdbSuspendListener() { updateTreeFields(invisibleRoot); Display.getDefault().asyncExec(new Runnable() { public void run() { viewer.refresh(); } }); } }