Examples with SelectionChangedEvent org.eclipse.jface.viewers.SelectionChangedEvent used on opensource projects

Example 81 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project yamcs-studio by yamcs.

the class SpreadSheetTable method addSelectionChangedListener.

/**
 *Add a selection changed listener. Call whenever selection of the table changes.
 * @param listener the listener
 */
public void addSelectionChangedListener(ITableSelectionChangedListener listener) {
    if (selectionChangedListeners == null) {
        selectionChangedListeners = new ListenerList();
        tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

            public void selectionChanged(SelectionChangedEvent event) {
                String[][] selection = getSelection();
                for (Object listener : selectionChangedListeners.getListeners()) {
                    ((ITableSelectionChangedListener) listener).selectionChanged(selection);
                }
            }
        });
    }
    selectionChangedListeners.add(listener);
}

Example 82 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project yamcs-studio by yamcs.

the class ActionsInputDialog method createActionsTableViewer.

/**
 * Creates and configures a {@link TableViewer}.
 *
 * @param parent
 *            The parent for the table
 * @return The {@link TableViewer}
 */
private TableViewer createActionsTableViewer(final Composite parent) {
    TableViewer viewer = new TableViewer(parent, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.SINGLE);
    viewer.setContentProvider(new BaseWorkbenchContentProvider() {

        @SuppressWarnings("unchecked")
        @Override
        public Object[] getElements(final Object element) {
            return (((List<AbstractWidgetAction>) element).toArray());
        }
    });
    viewer.setLabelProvider(new WorkbenchLabelProvider() {

        @Override
        protected String decorateText(String input, Object element) {
            return input + "(index: " + actionsList.indexOf(element) + ")";
        }
    });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(final SelectionChangedEvent event) {
            refreshGUIOnSelection();
        }
    });
    viewer.getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    return viewer;
}

Example 83 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project yamcs-studio by yamcs.

the class RuleDataEditDialog method createDialogArea.

@Override
protected Control createDialogArea(Composite parent) {
    final Composite parent_Composite = (Composite) super.createDialogArea(parent);
    // Parent composite has GridLayout with 1 columns.
    // Create embedded composite w/ 2 columns
    final Composite mainComposite = new Composite(parent_Composite, SWT.None);
    mainComposite.setLayout(new GridLayout(2, false));
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData.heightHint = 500;
    mainComposite.setLayoutData(gridData);
    final Composite topComposite = new Composite(mainComposite, SWT.None);
    topComposite.setLayout(new GridLayout(2, false));
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, false);
    gd.horizontalSpan = 2;
    topComposite.setLayoutData(gd);
    createLabel(topComposite, "Rule Name: ");
    nameText = new Text(topComposite, SWT.BORDER);
    nameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    nameText.setText(ruleData.getName());
    nameText.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            ruleData.setName(nameText.getText());
        }
    });
    createLabel(topComposite, "Property: ");
    propCombo = new Combo(topComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
    propCombo.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
    String[] comboItems = new String[propIDList.size()];
    int i = 0;
    for (String id : propIDList) {
        comboItems[i++] = ruleData.getWidgetModel().getProperty(id).getDescription() + " (" + id + // $NON-NLS-1$ //$NON-NLS-2$
        ")";
    }
    propCombo.setItems(comboItems);
    propCombo.select(propIDList.indexOf(ruleData.getPropId()));
    propCombo.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (propIDList.get(propCombo.getSelectionIndex()).equals(AbstractPVWidgetModel.PROP_PVVALUE)) {
                MessageDialog.openWarning(propCombo.getShell(), "Warning", "Note: Changing pv_value property with rule or " + "script will not write value to the PV. " + "It only change the graphical value on the widget! " + "If you need to write a PV, please call PV.setValue() from script.");
            }
            ruleData.setPropId(propIDList.get(propCombo.getSelectionIndex()));
            if (ruleData.getProperty().getPropertyDescriptor() == null || ruleData.getProperty().onlyAcceptExpressionInRule()) {
                ruleData.setOutputExpValue(true);
                outPutExpButton.setSelection(true);
                outPutExpButton.setEnabled(false);
                for (Expression exp : expressionList) // $NON-NLS-1$
                exp.setValue("");
                valueColumn.getColumn().setText("Output Expression");
            } else
                outPutExpButton.setEnabled(true);
            if (!ruleData.isOutputExpValue()) {
                for (Expression exp : expressionList) exp.setValue(ruleData.isOutputExpValue() ? "" : // $NON-NLS-1$
                ruleData.getProperty().getDefaultValue());
            }
            expressionViewer.refresh();
        }
    });
    outPutExpButton = new Button(topComposite, SWT.CHECK);
    gd = new GridData();
    gd.horizontalSpan = 2;
    outPutExpButton.setLayoutData(gd);
    outPutExpButton.setText("Output Expression");
    if (ruleData.getProperty().getPropertyDescriptor() == null || ruleData.getProperty().onlyAcceptExpressionInRule()) {
        ruleData.setOutputExpValue(true);
        outPutExpButton.setEnabled(false);
    }
    outPutExpButton.setSelection(ruleData.isOutputExpValue());
    outPutExpButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            ruleData.setOutputExpValue(outPutExpButton.getSelection());
            for (Expression exp : expressionList) exp.setValue(ruleData.isOutputExpValue() ? "" : // $NON-NLS-1$
            ruleData.getProperty().getDefaultValue());
            valueColumn.getColumn().setText(ruleData.isOutputExpValue() ? "Output Expression" : "Output Value");
            expressionViewer.refresh();
        }
    });
    // Left Panel: List of scripts
    final Composite leftComposite = new Composite(mainComposite, SWT.NONE);
    leftComposite.setLayout(new GridLayout(1, false));
    gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.widthHint = 350;
    leftComposite.setLayoutData(gd);
    createLabel(leftComposite, "Expressions");
    Composite toolBarComposite = new Composite(leftComposite, SWT.BORDER);
    GridLayout gridLayout = new GridLayout(1, false);
    gridLayout.marginLeft = 0;
    gridLayout.marginRight = 0;
    gridLayout.marginBottom = 0;
    gridLayout.marginTop = 0;
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    toolBarComposite.setLayout(gridLayout);
    gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    toolBarComposite.setLayoutData(gd);
    ToolBarManager toolbarManager = new ToolBarManager(SWT.FLAT);
    ToolBar toolBar = toolbarManager.createControl(toolBarComposite);
    GridData grid = new GridData();
    grid.horizontalAlignment = GridData.FILL;
    grid.verticalAlignment = GridData.BEGINNING;
    toolBar.setLayoutData(grid);
    createActions();
    toolbarManager.add(addAction);
    toolbarManager.add(copyAction);
    toolbarManager.add(removeAction);
    toolbarManager.add(moveUpAction);
    toolbarManager.add(moveDownAction);
    toolbarManager.update(true);
    expressionViewer = createExpressionsTableViewer(toolBarComposite);
    expressionViewer.setInput(expressionList);
    expressionViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            refreshActionBarOnSelection();
        }
    });
    // Right panel: Input PVs for selected script
    final Composite rightComposite = new Composite(mainComposite, SWT.NONE);
    gridLayout = new GridLayout(1, false);
    rightComposite.setLayout(gridLayout);
    gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    // Account for the StringTableEditor's minimum size
    gd.minimumWidth = 250;
    rightComposite.setLayoutData(gd);
    this.createLabel(rightComposite, "Input PVs");
    pvsEditor = new PVTupleTableEditor(rightComposite, ruleData.getPVList(), SWT.BORDER);
    pvsEditor.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    if (expressionList.size() > 0)
        setExpressionViewerSelection(expressionList.get(0));
    final Composite bottomComposite = new Composite(mainComposite, SWT.None);
    bottomComposite.setLayout(new GridLayout(1, false));
    gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.horizontalSpan = 2;
    bottomComposite.setLayoutData(gd);
    Button generateScriptButton = new Button(bottomComposite, SWT.PUSH);
    generateScriptButton.setText("See Generated Script");
    gd = new GridData(SWT.LEFT, SWT.TOP, false, false);
    generateScriptButton.setLayoutData(gd);
    final Text scriptText = new Text(bottomComposite, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.READ_ONLY);
    gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    scriptText.setLayoutData(gd);
    generateScriptButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            scriptText.setText(ruleData.generateScript());
        }
    });
    return parent_Composite;
}

Example 84 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project translationstudio8 by heartsome.

the class KeysPreferencePage method createTree.

private void createTree(Composite parent) {
    fPatternFilter = new CategoryPatternFilter(true, fDefaultCategory);
    fPatternFilter.filterCategories(true);
    GridData gridData;
    fFilteredTree = new CategoryFilterTree(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION, fPatternFilter);
    final GridLayout layout = new GridLayout(1, false);
    layout.marginWidth = 0;
    fFilteredTree.setLayout(layout);
    gridData = new GridData();
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.FILL;
    fFilteredTree.setLayoutData(gridData);
    viewer = fFilteredTree.getViewer();
    // Make sure the filtered tree has a height of ITEMS_TO_SHOW
    final Tree tree = viewer.getTree();
    tree.setHeaderVisible(true);
    final Object layoutData = tree.getLayoutData();
    if (layoutData instanceof GridData) {
        gridData = (GridData) layoutData;
        final int itemHeight = tree.getItemHeight();
        if (itemHeight > 1) {
            gridData.heightHint = ITEMS_TO_SHOW * itemHeight;
        }
    }
    BindingModelComparator comparator = new BindingModelComparator();
    comparator.setSortColumn(2);
    viewer.setComparator(comparator);
    final TreeColumn commandNameColumn = new TreeColumn(tree, SWT.LEFT, COMMAND_NAME_COLUMN);
    commandNameColumn.setText(Messages.getString("preferencepage.KeysPreferencePage.commandNameColumn"));
    tree.setSortColumn(commandNameColumn);
    tree.setSortDirection(comparator.isAscending() ? SWT.UP : SWT.DOWN);
    commandNameColumn.addSelectionListener(new ResortColumn(comparator, commandNameColumn, viewer, COMMAND_NAME_COLUMN));
    final TreeViewerColumn triggerSequenceColumn = new TreeViewerColumn(viewer, SWT.LEFT, KEY_SEQUENCE_COLUMN);
    triggerSequenceColumn.getColumn().setText(Messages.getString("preferencepage.KeysPreferencePage.triggerSequenceColumn"));
    triggerSequenceColumn.getColumn().addSelectionListener(new ResortColumn(comparator, triggerSequenceColumn.getColumn(), viewer, KEY_SEQUENCE_COLUMN));
    triggerSequenceColumn.setEditingSupport(new TableViewerEditingSupport(viewer, 1));
    final TreeColumn categoryColumn = new TreeColumn(tree, SWT.LEFT, CATEGORY_COLUMN);
    categoryColumn.setText(Messages.getString("preferencepage.KeysPreferencePage.categoryColumn"));
    categoryColumn.addSelectionListener(new ResortColumn(comparator, categoryColumn, viewer, CATEGORY_COLUMN));
    viewer.setContentProvider(new ModelContentProvider());
    viewer.setLabelProvider(new BindingElementLabelProvider());
    fFilteredTree.getPatternFilter().setIncludeLeadingWildcard(true);
    final TreeColumn[] columns = viewer.getTree().getColumns();
    columns[COMMAND_NAME_COLUMN].setWidth(240);
    columns[KEY_SEQUENCE_COLUMN].setWidth(130);
    columns[CATEGORY_COLUMN].setWidth(130);
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        // When the viewer changes selection, update the model's current
        // selection
        public void selectionChanged(SelectionChangedEvent event) {
            changeBackground();
            ModelElement binding = (ModelElement) ((IStructuredSelection) event.getSelection()).getFirstElement();
            model.setSelectedElement(binding);
        }
    });
    IPropertyChangeListener treeUpdateListener = new IPropertyChangeListener() {

        // When the model changes a property, update the viewer
        public void propertyChange(PropertyChangeEvent event) {
            if (event.getSource() == model && CommonModel.PROP_SELECTED_ELEMENT.equals(event.getProperty())) {
                Object newVal = event.getNewValue();
                StructuredSelection structuredSelection = newVal == null ? null : new StructuredSelection(newVal);
                viewer.setSelection(structuredSelection, true);
            } else if (event.getSource() instanceof BindingElement && ModelElement.PROP_MODEL_OBJECT.equals(event.getProperty())) {
                viewer.update(event.getSource(), null);
            } else if (BindingElement.PROP_CONFLICT.equals(event.getProperty())) {
                viewer.update(event.getSource(), null);
            } else if (BindingModel.PROP_BINDINGS.equals(event.getProperty())) {
            // viewer.refresh();
            } else if (BindingModel.PROP_BINDING_ADD.equals(event.getProperty())) {
                viewer.add(model, event.getNewValue());
            } else if (BindingModel.PROP_BINDING_REMOVE.equals(event.getProperty())) {
                viewer.remove(event.getNewValue());
            } else if (BindingModel.PROP_BINDING_FILTER.equals(event.getProperty())) {
            // viewer.refresh();
            }
            changeBackground();
        // isValid();
        }
    };
    keyController.addPropertyChangeListener(treeUpdateListener);
    // IPropertyChangeListener conflictsListener = new IPropertyChangeListener() {
    // public void propertyChange(PropertyChangeEvent event) {
    // // System.out.println(event.getNewValue().getClass());
    // if (keyController.getConflictModel().getConflicts() != null) {
    // if (ConflictModel.PROP_CONFLICTS.equals(event.getProperty())) {
    // // lstConflict.clear();
    // if (event.getNewValue() != null) {
    // lstConflict.addAll((Collection<? extends Object>) event.getNewValue());
    // }
    // // conflictViewer.setInput(event.getNewValue());
    // } else if (ConflictModel.PROP_CONFLICTS_ADD.equals(event.getProperty())) {
    // if (event.getNewValue() != null) {
    // lstConflict.add(event.getNewValue());
    // }
    // // conflictViewer.add(event.getNewValue());
    // } else if (ConflictModel.PROP_CONFLICTS_REMOVE.equals(event.getProperty())) {
    // // conflictViewer.remove(event.getNewValue());
    // if (event.getNewValue() != null) {
    // lstConflict.remove(event.getNewValue());
    // }
    // }
    // } else {
    // lstConflict.clear();
    // }
    // // if (event.getSource() == keyController.getConflictModel()
    // // && CommonModel.PROP_SELECTED_ELEMENT.equals(event.getProperty())) {
    // // if (keyController.getConflictModel().getConflicts() != null) {
    // // Object newVal = event.getNewValue();
    // // StructuredSelection structuredSelection = newVal == null ? null : new StructuredSelection(
    // // newVal);
    // // // conflictViewer.setSelection(structuredSelection, true);
    // // }
    // // } else if (ConflictModel.PROP_CONFLICTS.equals(event.getProperty())) {
    // // // lstConflict.clear();
    // // if (event.getNewValue() != null) {
    // // lstConflict.addAll((Collection<? extends Object>) event.getNewValue());
    // // }
    // // // conflictViewer.setInput(event.getNewValue());
    // // } else if (ConflictModel.PROP_CONFLICTS_ADD.equals(event.getProperty())) {
    // // if (event.getNewValue() != null) {
    // // lstConflict.clear();
    // // lstConflict.add(event.getNewValue());
    // // }
    // // // conflictViewer.add(event.getNewValue());
    // // } else if (ConflictModel.PROP_CONFLICTS_REMOVE.equals(event.getProperty())) {
    // // // conflictViewer.remove(event.getNewValue());
    // // if (event.getNewValue() != null) {
    // // lstConflict.clear();
    // // lstConflict.remove(event.getNewValue());
    // // }
    // // }
    // }
    // };
    // keyController.addPropertyChangeListener(conflictsListener);
    IPropertyChangeListener dataUpdateListener = new IPropertyChangeListener() {

        public void propertyChange(PropertyChangeEvent event) {
            BindingElement bindingElement = null;
            boolean weCare = false;
            if (event.getSource() == model && CommonModel.PROP_SELECTED_ELEMENT.equals(event.getProperty())) {
                bindingElement = (BindingElement) event.getNewValue();
                weCare = true;
            } else if (event.getSource() == model.getSelectedElement() && ModelElement.PROP_MODEL_OBJECT.equals(event.getProperty())) {
                bindingElement = (BindingElement) event.getSource();
                weCare = true;
            }
            if (bindingElement == null && weCare) {
                //$NON-NLS-1$
                fBindingText.setText("");
            } else if (bindingElement != null) {
                KeySequence trigger = (KeySequence) bindingElement.getTrigger();
                fKeySequenceText.setKeySequence(trigger);
            }
        }
    };
    keyController.addPropertyChangeListener(dataUpdateListener);
}

Example 85 with SelectionChangedEvent

use of org.eclipse.jface.viewers.SelectionChangedEvent in project translationstudio8 by heartsome.

the class ProjectSettingDialog method addListeners.

protected void addListeners(final TreeViewer viewer) {
    viewer.addPostSelectionChangedListener(new ISelectionChangedListener() {

        private void handleError() {
            try {
                // remove the listener temporarily so that the events caused
                // by the error handling dont further cause error handling
                // to occur.
                viewer.removePostSelectionChangedListener(this);
                // select Current PageAgain;
                if (lastSuccessfulNode == null) {
                    return;
                }
                getTreeViewer().setSelection(new StructuredSelection(lastSuccessfulNode));
                getCurrentPage().setVisible(true);
                // clear Selected Node
                setSelectedNodePreference(null);
            } finally {
                viewer.addPostSelectionChangedListener(this);
            }
        }

        public void selectionChanged(SelectionChangedEvent event) {
            final Object selection = getSingleSelection(event.getSelection());
            if (selection instanceof IPreferenceNode) {
                BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {

                    public void run() {
                        if (!isCurrentPageValid()) {
                            handleError();
                        } else if (!showPage((IPreferenceNode) selection)) {
                            // Page flipping wasn't successful
                            handleError();
                        } else {
                            // Everything went well
                            lastSuccessfulNode = (IPreferenceNode) selection;
                        }
                    }
                });
            }
        }
    });
    ((Tree) viewer.getControl()).addSelectionListener(new SelectionAdapter() {

        public void widgetDefaultSelected(final SelectionEvent event) {
            ISelection selection = viewer.getSelection();
            if (selection.isEmpty()) {
                return;
            }
            IPreferenceNode singleSelection = getSingleSelection(selection);
            boolean expanded = viewer.getExpandedState(singleSelection);
            viewer.setExpandedState(singleSelection, !expanded);
        }
    });
    // Register help listener on the tree to use context sensitive help
    viewer.getControl().addHelpListener(new HelpListener() {

        public void helpRequested(HelpEvent event) {
            if (getCurrentPage() == null) {
                // no current page? open dialog's help
                openDialogHelp();
                return;
            }
            // A) A typical path: the current page has registered its own help link
            // via WorkbenchHelpSystem#setHelp(). When just call it and let
            // it handle the help request.
            Control pageControl = getCurrentPage().getControl();
            if (pageControl != null && pageControl.isListening(SWT.Help)) {
                getCurrentPage().performHelp();
                return;
            }
            // B) Less typical path: no standard listener has been created for the page.
            // In this case we may or may not have an override of page's #performHelp().
            // 1) Try to get default help opened for the dialog;
            openDialogHelp();
            // 2) Next call currentPage's #performHelp(). If it was overridden, it might switch help
            // to something else.
            getCurrentPage().performHelp();
        }

        private void openDialogHelp() {
            if (getPageContainer() == null)
                return;
            for (Control currentControl = getPageContainer(); currentControl != null; currentControl = currentControl.getParent()) {
                if (currentControl.isListening(SWT.Help)) {
                    currentControl.notifyListeners(SWT.Help, new Event());
                    break;
                }
            }
        }
    });
}