diff options
Diffstat (limited to 'trunk/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/AttributesTabControl.java')
| -rw-r--r-- | trunk/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/AttributesTabControl.java | 918 |
1 files changed, 0 insertions, 918 deletions
diff --git a/trunk/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/AttributesTabControl.java b/trunk/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/AttributesTabControl.java deleted file mode 100644 index f21647b2d2..0000000000 --- a/trunk/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/AttributesTabControl.java +++ /dev/null @@ -1,918 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -package org.apache.qpid.management.ui.views; - -import static org.apache.qpid.management.ui.Constants.*; - -import org.apache.qpid.management.ui.ApplicationRegistry; -import org.apache.qpid.management.ui.ManagedBean; -import org.apache.qpid.management.ui.jmx.JMXServerRegistry; -import org.apache.qpid.management.ui.jmx.MBeanUtility; -import org.apache.qpid.management.ui.model.AttributeData; -import org.apache.qpid.management.ui.model.ManagedAttributeModel; -import org.eclipse.jface.viewers.IColorProvider; -import org.eclipse.jface.viewers.IFontProvider; -import org.eclipse.jface.viewers.ISelectionChangedListener; -import org.eclipse.jface.viewers.IStructuredContentProvider; -import org.eclipse.jface.viewers.IStructuredSelection; -import org.eclipse.jface.viewers.ITableLabelProvider; -import org.eclipse.jface.viewers.LabelProvider; -import org.eclipse.jface.viewers.SelectionChangedEvent; -import org.eclipse.jface.viewers.TableViewer; -import org.eclipse.jface.viewers.Viewer; -import org.eclipse.jface.viewers.ViewerSorter; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.KeyEvent; -import org.eclipse.swt.events.KeyListener; -import org.eclipse.swt.events.MouseEvent; -import org.eclipse.swt.events.MouseListener; -import org.eclipse.swt.events.MouseMoveListener; -import org.eclipse.swt.events.MouseTrackListener; -import org.eclipse.swt.events.PaintEvent; -import org.eclipse.swt.events.PaintListener; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.graphics.Color; -import org.eclipse.swt.graphics.Font; -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.Canvas; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -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.TabFolder; -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.ui.forms.widgets.FormToolkit; -import org.eclipse.ui.forms.widgets.ScrolledForm; - - -/** - * Creates controller composite for the attribute's tab. - * @author Bhupendra Bhardwaj - */ -public class AttributesTabControl extends TabControl -{ - private FormToolkit _toolkit; - private ScrolledForm _form; - private Table _table = null; - private TableViewer _tableViewer = null; - private int[] tableWidths = new int[] {275, 275}; - - private Composite _tableComposite = null; - private Composite _buttonsComposite = null; - - private DisposeListener tableDisposeListener = new DisposeListenerImpl(); - final Image image; - private Button _detailsButton = null; - private Button _editButton = null; - private Button _graphButton = null; - private boolean disableEditing = false; - - private static final String MAX_VALUE = "MaxValue"; - private static final String GRAPH_VALUES = "GraphValues"; - private int GRAPH_WIDTH = 700; - private int GRAPH_HEIGHT = 450; - private int GRAPH_ITEM_GAP = 100; - private int startX = 80; - private int startY = 60; - - public AttributesTabControl(TabFolder tabFolder) - { - super(tabFolder); - _toolkit = new FormToolkit(_tabFolder.getDisplay()); - _form = _toolkit.createScrolledForm(_tabFolder); - GridLayout gridLayout = new GridLayout(2, false); - gridLayout.marginWidth = 0; - gridLayout.marginHeight = 0; - _form.getBody().setLayout(gridLayout); - _tableComposite = _toolkit.createComposite(_form.getBody()); - _tableComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - _tableComposite.setLayout(new GridLayout()); - _buttonsComposite = _toolkit.createComposite(_form.getBody()); - _buttonsComposite.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true)); - _buttonsComposite.setLayout(new GridLayout()); - - image = Display.getCurrent().getSystemImage(SWT.ICON_INFORMATION); - createWidgets(); - } - - /** - * @see TabControl#getControl() - */ - public Control getControl() - { - return _form; - } - - /** - * Creates required widgets for Attribute's tab - */ - protected void createWidgets() - { - createTable(); - createTableViewer(); - createButtons(); - addTableListeners(); - } - - /** - * Creates table for listing the MBean attributes - */ - private void createTable() - { - _table = _toolkit.createTable(_tableComposite, SWT.FULL_SELECTION); - GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true); - _table.setLayoutData(gridData); - - for (int i = 0; i < ATTRIBUTE_TABLE_TITLES.length; ++i) - { - final TableColumn column = new TableColumn(_table, SWT.NONE); - column.setText(ATTRIBUTE_TABLE_TITLES[i]); - column.setWidth(tableWidths[i]); - column.setResizable(true); - } - - _table.setLinesVisible (true); - _table.setHeaderVisible (true); - } - - /** - * Creates tableviewer for the attribute's table - */ - private void createTableViewer() - { - _tableViewer = new TableViewer(_table); - _tableViewer.setUseHashlookup(true); - _tableViewer.setColumnProperties(ATTRIBUTE_TABLE_TITLES); - _tableViewer.setContentProvider(new ContentProviderImpl()); - _tableViewer.setLabelProvider(new LabelProviderImpl()); - _tableViewer.setSorter(new ViewerSorterImpl()); - } - - private void createButtons() - { - addDetailsButton(); - addEditButton(); - addGraphButton(); - } - - private void addDetailsButton() - { - // Create and configure the button for attribute details - _detailsButton = _toolkit.createButton(_buttonsComposite, BUTTON_DETAILS, SWT.PUSH | SWT.CENTER); - _detailsButton.setFont(ApplicationRegistry.getFont(FONT_BUTTON)); - GridData gridData = new GridData(SWT.FILL, SWT.TOP, false, false); - gridData.widthHint = 80; - _detailsButton.setLayoutData(gridData); - _detailsButton.addSelectionListener(new SelectionAdapter() - { - public void widgetSelected(SelectionEvent e) - { - disableEditing = true; - int index = _table.getSelectionIndex(); - TableItem item = _table.getItem(index); - createDetailsPopup((AttributeData)item.getData()); - disableEditing = false; - setFocus(); - } - }); - } - - /** - * Creates the button for editing attributes. - */ - private void addEditButton() - { - // Create and configure the button for editing attribute - _editButton = _toolkit.createButton(_buttonsComposite, BUTTON_EDIT_ATTRIBUTE, SWT.PUSH | SWT.CENTER); - _editButton.setFont(ApplicationRegistry.getFont(FONT_BUTTON)); - GridData gridData = new GridData(SWT.FILL, SWT.TOP, false, false); - gridData.widthHint = 80; - _editButton.setLayoutData(gridData); - _editButton.addSelectionListener(new SelectionAdapter() - { - public void widgetSelected(SelectionEvent e) - { - int index = _table.getSelectionIndex(); - TableItem item = _table.getItem(index); - createDetailsPopup((AttributeData)item.getData()); - setFocus(); - } - }); - } - - /** - * Creates the button for viewing Graphs - */ - private void addGraphButton() - { - _graphButton = _toolkit.createButton(_buttonsComposite, BUTTON_GRAPH, SWT.PUSH | SWT.CENTER); - _graphButton.setFont(ApplicationRegistry.getFont(FONT_BUTTON)); - GridData gridData = new GridData(SWT.FILL, SWT.TOP, false, false); - gridData.widthHint = 80; - _graphButton.setLayoutData(gridData); - _graphButton.addSelectionListener(new SelectionAdapter() - { - public void widgetSelected(SelectionEvent event) - { - int selectionIndex = _table.getSelectionIndex(); - AttributeData data = (AttributeData)_table.getItem(selectionIndex).getData(); - createGraph(data); - setFocus(); - } - }); - } - - private void addTableListeners() - { - _tableViewer.addSelectionChangedListener(new ISelectionChangedListener(){ - public void selectionChanged(SelectionChangedEvent evt) - { - IStructuredSelection ss = (IStructuredSelection)evt.getSelection(); - checkForEnablingButtons((AttributeData)ss.getFirstElement()); - } - }); - - MouseListenerImpl listener = new MouseListenerImpl(); - _tableViewer.getTable().addMouseTrackListener(listener); - _tableViewer.getTable().addMouseMoveListener(listener); - _tableViewer.getTable().addMouseListener(listener); - - _table.addDisposeListener(tableDisposeListener); - - // _table is equal to _tableViewer.getControl() - _table.addListener(SWT.MeasureItem, new Listener() { - public void handleEvent(Event event) - { - event.height = event.gc.getFontMetrics().getHeight() * 3/2; - } - }); - } - - /** - * Listeners implementation class for showing table tooltip - * @author Bhupendra Bhardwaj - */ - private class MouseListenerImpl implements MouseTrackListener, MouseMoveListener, KeyListener, MouseListener - { - Shell tooltipShell = null; - Label tooltipLabel = null; - public void mouseHover(MouseEvent event) - { - TableItem item = _table.getItem (new Point (event.x, event.y)); - - if (item != null) - { - AttributeData data = (AttributeData)item.getData(); - if (tooltipShell != null && !tooltipShell.isDisposed ()) tooltipShell.dispose (); - tooltipShell = new Shell(_table.getShell(), SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL); - tooltipShell.setBackground(event.display.getSystemColor(SWT.COLOR_INFO_BACKGROUND)); - FillLayout layout = new FillLayout(); - layout.marginWidth = 2; - tooltipShell.setLayout(layout); - tooltipLabel = new Label(tooltipShell, SWT.NONE); - tooltipLabel.setForeground(event.display.getSystemColor(SWT.COLOR_INFO_FOREGROUND)); - tooltipLabel.setBackground(event.display.getSystemColor(SWT.COLOR_INFO_BACKGROUND)); - tooltipLabel.setText(data.getDescription()); - tooltipLabel.setData("_TABLEITEM", item); - tooltipLabel.addListener(SWT.MouseExit, tooltipLabelListener); - tooltipLabel.addListener(SWT.MouseDown, tooltipLabelListener); - Point size = tooltipShell.computeSize(SWT.DEFAULT, SWT.DEFAULT); - Rectangle rect = item.getBounds(0); - Point pt = _table.toDisplay(rect.x, rect.y); - tooltipShell.setBounds(pt.x, pt.y, size.x, size.y); - tooltipShell.setVisible(true); - } - } - public void mouseEnter(MouseEvent e) - { - } - public void mouseExit(MouseEvent e) - { - } - - // MouseMoveListener implementation - public void mouseMove(MouseEvent event) - { - if (tooltipShell == null) - return; - - tooltipShell.dispose(); - tooltipShell = null; - tooltipLabel = null; - } - - // KeyListener implementation - public void keyPressed(KeyEvent e) - { - if (tooltipShell == null) - return; - - tooltipShell.dispose(); - tooltipShell = null; - tooltipLabel = null; - } - public void keyReleased(KeyEvent e) - { - - } - - // MouseListener implementation - public void mouseDoubleClick(MouseEvent event) - { - if (tooltipShell != null) - { - tooltipShell.dispose(); - tooltipShell = null; - tooltipLabel = null; - } - Table table = (Table)event.getSource(); - int selectionIndex = table.getSelectionIndex(); - AttributeData data = (AttributeData)table.getItem(selectionIndex).getData(); - createDetailsPopup(data); - } - public void mouseDown(MouseEvent e) - { - if (tooltipShell != null) - { - tooltipShell.dispose(); - tooltipShell = null; - tooltipLabel = null; - } - } - public void mouseUp(MouseEvent e) - { - - } - } // end of MouseListenerImpl - - /** - * Creates pop-up window for showing attribute details - * @param data - Selectes attribute - */ - public void createDetailsPopup(AttributeData data) - { - int width = 500; - int height = 250; - if (!isSimpleType(data.getValue())) - { - width = 650; - height = 450; - } - - Display display = Display.getCurrent(); - Shell shell = ViewUtility.createPopupShell(ATTRIBUTE, width, height); - createDetailsPopupContents(shell, data); - - shell.open(); - while (!shell.isDisposed()) - { - if (!display.readAndDispatch()) - { - display.sleep(); - } - } - shell.dispose(); - } - - /** - * Listener class for table tooltip label - */ - final Listener tooltipLabelListener = 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"); - _table.setSelection(new TableItem[] {(TableItem)e.item}); - shell.dispose(); - _table.setFocus(); - break; - case SWT.MouseExit: - shell.dispose(); - break; - } - } - }; - - - /** - * Create the contents for the attribute details window pop-up - * @param shell - The shell that will be filled with details. - * @param attribute - Selected attribute - */ - private void createDetailsPopupContents(Composite shell, AttributeData attribute) - { - GridLayout layout = new GridLayout(2, false); - layout.horizontalSpacing = 10; - layout.verticalSpacing = 10; - layout.marginHeight = 20; - layout.marginWidth = 20; - - Composite parent = _toolkit.createComposite(shell, SWT.NONE); - parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - parent.setLayout(layout); - - // Name - Label label = _toolkit.createLabel(parent, ATTRIBUTE_TABLE_TITLES[0], SWT.NONE); - GridData layoutData = new GridData(SWT.TRAIL, SWT.TOP, false, false); - label.setLayoutData(layoutData); - int textStyle = SWT.BEGINNING | SWT.BORDER |SWT.READ_ONLY; - Text value = _toolkit.createText(parent, ViewUtility.getDisplayText(attribute.getName()), textStyle); - value.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); - - - // Description - label = _toolkit.createLabel(parent, DESCRIPTION, SWT.NONE); - label.setLayoutData(new GridData(SWT.TRAIL, SWT.TOP, false, false)); - value = _toolkit.createText(parent, attribute.getDescription(), textStyle); - value.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); - - // value - label = _toolkit.createLabel(parent, ATTRIBUTE_TABLE_TITLES[1], SWT.NONE); - label.setLayoutData(new GridData(SWT.TRAIL, SWT.TOP, false, false)); - - if (!attribute.isReadable()) - { - value = _toolkit.createText(parent, "", textStyle); - value.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); - } - else - { - if (!isSimpleType(attribute.getValue())) - { - if (attribute.getValue() instanceof String[]) - { - String result = new String(""); - for(String val : (String[]) attribute.getValue()){ - result = result.concat(val+ "; "); - } - value = _toolkit.createText(parent, "", textStyle); - - value.setText(result); - value.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); - } - else - { - Composite composite = new Composite(parent, SWT.BORDER); - composite.setLayout(new GridLayout()); - composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); - ViewUtility.populateCompositeWithData(_toolkit, composite, attribute.getValue()); - } - } - else - { - if (attribute.isWritable()) - { - value = _toolkit.createText(parent, "", SWT.BEGINNING | SWT.BORDER); - value.addVerifyListener(new NumberVerifyListener()); - - // set data to access in the listener - parent.setData(attribute); - } - else - { - value = _toolkit.createText(parent, "", textStyle); - } - - value.setText(attribute.getValue().toString()); - value.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); - } - } - - - // Update button - Button updateButton = addUpdateButton(parent); - updateButton.setData(value); - if (!attribute.isWritable()) - { - updateButton.setVisible(false); - } - - if (disableEditing) - { - value.setEditable(false); - updateButton.setVisible(false); - } - } - - /** - * Create the button for updating attributes. This should be enabled for writable attribute - */ - private Button addUpdateButton(Composite parent) - { - final Button updateButton = new Button(parent, SWT.PUSH | SWT.CENTER); - // set the data to access in the listener - parent.setData(BUTTON_UPDATE, updateButton); - - updateButton.setText(BUTTON_UPDATE); - GridData gridData = new GridData (SWT.CENTER, SWT.BOTTOM, true, true, 2, 1); - gridData.widthHint = 100; - updateButton.setLayoutData(gridData); - updateButton.addSelectionListener(new SelectionAdapter() - { - public void widgetSelected(SelectionEvent event) - { - try - { - Button button = (Button)event.widget; - Text text = (Text)button.getData(); - AttributeData data = (AttributeData)button.getParent().getData(); - MBeanUtility.updateAttribute(_mbean, data, text.getText()); - button.getShell().close(); - refresh(_mbean); - } - catch (Exception ex) - { - MBeanUtility.handleException(_mbean, ex); - } - } - }); - - return updateButton; - } - - /** - * Refreshes the attribute tab by querying the mbean server for latest values - */ - @Override - public void refresh(ManagedBean mbean) - { - _mbean = mbean; - if (_mbean == null) - { - _tableViewer.setInput(null); - return; - } - ManagedAttributeModel attributesList = null; - try - { - attributesList = MBeanUtility.getAttributes(mbean); - } - catch(Exception ex) - { - MBeanUtility.handleException(_mbean, ex); - } - _tableViewer.setInput(attributesList); - checkForEnablingButtons(getSelectionAttribute()); - - _form.layout(true); - _form.getBody().layout(true, true); - } - - /** - * @see TabControl#setFocus() - */ - public void setFocus() - { - _table.setFocus(); - } - - /** - * Checks which buttons are to be enabled or disabled. The graph button will be enabled only - * for readable number attributes. Editing is enabled for writeable attribtues. - * @param attribute - */ - private void checkForEnablingButtons(AttributeData attribute) - { - if (attribute == null) - { - _detailsButton.setEnabled(false); - _editButton.setEnabled(false); - _graphButton.setEnabled(false); - return; - } - - _detailsButton.setEnabled(true); - if (attribute.isWritable()) - { - _editButton.setEnabled(true); - _graphButton.setEnabled(false); - } - else - { - _editButton.setEnabled(false); - // Currently only Queues are having attributes, which are suitable for a graph - if (attribute.isNumber() && _mbean.isQueue()) - { - _graphButton.setEnabled(true); - } - else - { - _graphButton.setEnabled(false); - } - } - } - - /** - * Creates graph in a pop-up window for given attribute. - * @param data - */ - private void createGraph(final AttributeData data) - { - Display display = Display.getCurrent(); - Shell shell = new Shell(display, SWT.BORDER | SWT.CLOSE | SWT.MIN | SWT.MAX); - shell.setText(_mbean.getName()); - int x = display.getBounds().width; - int y = display.getBounds().height; - shell.setBounds(x/4, y/4, GRAPH_WIDTH, GRAPH_HEIGHT); - shell.setLayout(new FillLayout()); - - final Canvas canvas = new Canvas(shell, SWT.NONE); - long currentValue = Long.parseLong(data.getValue().toString()); - long mValue = getGraphMaxValue(currentValue); - canvas.setData(MAX_VALUE, mValue); - canvas.setData(GRAPH_VALUES, new long[] {0,0,0,0,0,currentValue}); - - canvas.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE)); - canvas.addPaintListener(new PaintListener() - { - public void paintControl(PaintEvent event) - { - Canvas canvas = (Canvas)event.widget; - int maxX = canvas.getSize().x; - int maxY = canvas.getSize().y; - event.gc.fillRectangle(canvas.getBounds()); - event.gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK)); - event.gc.setLineWidth(4); - - Object canvasData = canvas.getData(MAX_VALUE); - String str = canvasData.toString(); - long maxValue = Long.parseLong(str); - // Set the graph dimensions - event.gc.drawText("0", startX - 40, maxY - startY - 10); - event.gc.drawText("" + maxValue/2, startX - 40, maxY/2); - event.gc.drawText("" + maxValue, startX - 40, startY); - - // horizontal line - event.gc.drawLine(startX, maxY - startY, maxX - 60, maxY - startY); - // vertical line - event.gc.drawLine(startX, maxY - startY, startX, startY); - // set graph text - event.gc.drawText(data.getName(), startX - 40, startY - 40); - event.gc.drawText("25 sec", startX, maxY - startY + 10); - event.gc.drawText("20 sec", startX + GRAPH_ITEM_GAP, maxY - startY + 10); - event.gc.drawText("15 sec", startX + GRAPH_ITEM_GAP * 2, maxY - startY + 10); - event.gc.drawText("10 sec", startX + GRAPH_ITEM_GAP * 3, maxY - startY + 10); - event.gc.drawText(" 5 sec", startX + GRAPH_ITEM_GAP * 4, maxY - startY + 10); - event.gc.drawText(" 0 sec", startX + GRAPH_ITEM_GAP * 5, maxY - startY + 10); - - // plot the graph now for values - event.gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE)); - canvasData = canvas.getData(GRAPH_VALUES); - long[] graphValues = (long[]) canvasData; - for (int i = 0; i < graphValues.length; i++) - { - int x = startX + i * GRAPH_ITEM_GAP; - int yTotalLength = (maxY - 2 * startY); - float ratio = ((float)graphValues[i]/(float)maxValue); - int itemlength = (int)(yTotalLength * ratio); - int y = maxY - startY - itemlength; - event.gc.drawLine(x, maxY- startY, x, y); - event.gc.drawText(String.valueOf(graphValues[i]), x, y - 20); - } - } - }); - - shell.open(); - - // Set up the timer for the animation - Runnable runnable = new Runnable() - { - public void run() - { - try - { - animate(canvas, data); - Display.getCurrent().timerExec(TIMER_INTERVAL, this); - } - catch(Exception ex) - { - MBeanUtility.handleException(ex); - } - } - }; - - // Launch the timer - display.timerExec(TIMER_INTERVAL, runnable); - - while (!shell.isDisposed()) - { - if (!display.readAndDispatch()) - { - display.sleep(); - } - } - - // Kill the timer - display.timerExec(-1, runnable); - shell.dispose(); - } - - /** - * @return selected attribute in the table - */ - public AttributeData getSelectionAttribute() - { - int index = _table.getSelectionIndex(); - if (index == -1) - return null; - - return (AttributeData)_table.getItem(index).getData(); - } - - /** - * checks for newer values of selected attribute to update the graph - * @param canvas - * @param data - * @throws Exception - */ - private void animate(Canvas canvas, AttributeData data) throws Exception - { - String attribute = data.getName(); - Object valueObj = MBeanUtility.refreshAttribute(_mbean, attribute); - int value = Integer.parseInt(String.valueOf(valueObj)); - Object canvasData = canvas.getData(GRAPH_VALUES); - long[] graphValues = (long[]) canvasData; - - for (int i = 0; i < graphValues.length -1; i++) - { - graphValues[i] = graphValues[i + 1]; - } - graphValues[graphValues.length - 1] = value; - - canvasData = canvas.getData(MAX_VALUE); - long maxValue = Long.parseLong(String.valueOf(canvasData)); - if (maxValue < value) - { - maxValue = getGraphMaxValue(value); - canvas.setData(MAX_VALUE, maxValue); - } - - canvas.redraw(); - } - - /** - * @param maxAttributeValue - * @return dynamically calculated value for y-axis on the graph - */ - private long getGraphMaxValue(long maxAttributeValue) - { - long maxGraphValue = 100; - long temp = maxAttributeValue * 3/2; - if (temp > maxGraphValue) - { - long modulus = temp % 100; - maxGraphValue = temp + ( 100 - modulus); - } - - return maxGraphValue; - } - - /** - * Content Provider class for the table viewer - * @author Bhupendra Bhardwaj - */ - private class ContentProviderImpl implements IStructuredContentProvider - { - - public void inputChanged(Viewer v, Object oldInput, Object newInput) - { - - } - - public void dispose() - { - - } - - public Object[] getElements(Object parent) - { - return ((ManagedAttributeModel)parent).getAttributes(); - } - } - - /** - * Label Provider class for the table viewer - * @author Bhupendra Bhardwaj - */ - private class LabelProviderImpl extends LabelProvider implements ITableLabelProvider, - IFontProvider, - IColorProvider - { - AttributeData attribute = null; - public String getColumnText(Object element, int columnIndex) - { - String result = ""; - attribute = (AttributeData) element; - - switch (columnIndex) - { - case 0 : // attribute name column - result = ViewUtility.getDisplayText(attribute.getName()); - break; - case 1 : // attribute value column - if (attribute.getValue() != null) - if (attribute.getValue() instanceof String[]) - { - for(String val : (String[]) attribute.getValue()){ - result = result.concat(val+ "; "); - } - } - else - { - result = String.valueOf(attribute.getValue()); - } - break; - default : - result = ""; - } - - return result; - } - - public Image getColumnImage(Object element, int columnIndex) - { - return null; - } - - public Font getFont(Object element) - { - return ApplicationRegistry.getFont(FONT_TABLE_CELL); - } - - public Color getForeground(Object element) - { - attribute = (AttributeData) element; - if (attribute.isWritable()) - return Display.getCurrent().getSystemColor(SWT.COLOR_BLUE); - else - return Display.getCurrent().getSystemColor(SWT.COLOR_BLACK); - } - public Color getBackground(Object element) - { - return _form.getBackground(); - } - } - - private class DisposeListenerImpl implements DisposeListener - { - public void widgetDisposed(DisposeEvent e) - { - - } - } - - /** - * Sorter class for the table viewer. It sorts the table for according to attribute name. - * @author Bhupendra Bhardwaj - * - */ - private class ViewerSorterImpl extends ViewerSorter - { - public int compare(Viewer viewer, Object o1, Object o2) - { - AttributeData attribtue1 = (AttributeData)o1; - AttributeData attribtue2 = (AttributeData)o2; - - return collator.compare(attribtue1.getName(), attribtue2.getName()); - } - } -} |