Examples with TreeListener org.eclipse.swt.events.TreeListener used on opensource projects

Example 1 with TreeListener

use of org.eclipse.swt.events.TreeListener in project cubrid-manager by CUBRID.

the class OIDNavigatorDialog method createDialogArea.

/**
	 * Create dialog area content
	 * 
	 * @param parent the parent composite
	 * @return the control
	 */
protected Control createDialogArea(Composite parent) {
    Composite parentComp = (Composite) super.createDialogArea(parent);
    Composite composite = new Composite(parentComp, SWT.NONE);
    composite.setLayoutData(new GridData(GridData.FILL_BOTH));
    GridLayout layout = new GridLayout();
    layout.numColumns = 5;
    layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
    layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
    layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
    layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
    composite.setLayout(layout);
    Label oidValueLabel = new Label(composite, SWT.LEFT);
    oidValueLabel.setText(Messages.lblOIDValue);
    oidValueLabel.setLayoutData(CommonUITool.createGridData(1, 1, -1, -1));
    oidValueText = new Text(composite, SWT.LEFT | SWT.BORDER);
    oidValueText.setLayoutData(CommonUITool.createGridData(GridData.FILL_HORIZONTAL, 3, 1, -1, -1));
    if (oidStr != null) {
        oidValueText.setText(oidStr);
    }
    oidValueText.addModifyListener(this);
    findButton = new Button(composite, SWT.CENTER);
    findButton.setText(Messages.btnFind);
    findButton.setLayoutData(CommonUITool.createGridData(1, 1, 60, -1));
    if (oidStr == null || oidStr.trim().length() <= 0) {
        findButton.setEnabled(false);
    }
    findButton.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent event) {
            find();
        }
    });
    Composite findResultComp = new Composite(composite, SWT.BORDER);
    findResultComp.setLayoutData(CommonUITool.createGridData(GridData.FILL_BOTH, 5, 1, -1, 200));
    findResultComp.setLayout(new GridLayout());
    resultTree = new Tree(findResultComp, SWT.NONE | SWT.VIRTUAL);
    GridData data = new GridData(GridData.FILL_BOTH);
    resultTree.setLayoutData(data);
    resultTree.addTreeListener(new TreeListener() {

        public void treeCollapsed(TreeEvent event) {
        //empty
        }

        public void treeExpanded(TreeEvent event) {
            TreeItem item = (TreeItem) event.item;
            if (item.getData(OID_ITEM_FLAG) == null || (item.getData(EXPANDED_ITEM_FLAG) != null)) {
                return;
            }
            if (item.getItemCount() > 0) {
                Object obj = item.getItem(0).getData(DUMY_ITEM_FLAG);
                if (obj instanceof String && OIDNavigatorDialog.DUMY_ITEM_FLAG.equals((String) obj)) {
                    item.removeAll();
                }
            }
            searchOID((String) (item.getData(OID_ITEM_FLAG)), item);
            item.setData(EXPANDED_ITEM_FLAG, "true");
        }
    });
    setTitle(Messages.titleOIDNavigatorDialog);
    setMessage(Messages.msgOIDNavigatorDialog);
    return parentComp;
}

Example 2 with TreeListener

use of org.eclipse.swt.events.TreeListener in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_widgets_Tree method test_addTreeListenerTreeExpandedAdapterLorg_eclipse_swt_events_TreeListener.

@Test
public void test_addTreeListenerTreeExpandedAdapterLorg_eclipse_swt_events_TreeListener() {
    TreeListener listener = TreeListener.treeExpandedAdapter(e -> eventOccurred = true);
    tree.addTreeListener(listener);
    eventOccurred = false;
    tree.notifyListeners(SWT.Expand, new Event());
    assertTrue(eventOccurred);
    eventOccurred = false;
    tree.notifyListeners(SWT.Collapse, new Event());
    assertFalse(eventOccurred);
    tree.removeTreeListener(listener);
    eventOccurred = false;
    tree.notifyListeners(SWT.Expand, new Event());
    assertFalse(eventOccurred);
    tree.notifyListeners(SWT.Collapse, new Event());
    assertFalse(eventOccurred);
}

Example 3 with TreeListener

use of org.eclipse.swt.events.TreeListener in project pentaho-kettle by pentaho.

the class TreeMemory method addTreeListener.

/**
 * This method creates, adds and returns a tree listener that will keep track of the expanded/collapsed state of the
 * TreeItems. This state will then be stored in the TreeMemory singleton.
 *
 * @param tree
 *          The tree to add the listener to
 * @return The created/added TreeListener
 */
public static final TreeListener addTreeListener(final Tree tree, final String treeName) {
    TreeListener treeListener = new TreeListener() {

        public void treeExpanded(TreeEvent e) {
            TreeItem treeItem = (TreeItem) e.item;
            String[] path = ConstUI.getTreeStrings(treeItem);
            TreeMemory treeMemory = TreeMemory.getInstance();
            treeMemory.storeExpanded(treeName, path, true);
        }

        public void treeCollapsed(TreeEvent e) {
            TreeItem treeItem = (TreeItem) e.item;
            String[] path = ConstUI.getTreeStrings(treeItem);
            TreeMemory treeMemory = TreeMemory.getInstance();
            treeMemory.storeExpanded(treeName, path, false);
        }
    };
    tree.addTreeListener(treeListener);
    return treeListener;
}

Example 4 with TreeListener

use of org.eclipse.swt.events.TreeListener in project nebula.widgets.nattable by eclipse.

the class ColumnChooserDialog method populateDialogArea.

@Override
public void populateDialogArea(Composite parent) {
    GridDataFactory.fillDefaults().grab(true, true).applyTo(parent);
    parent.setLayout(new GridLayout(4, false));
    createLabels(parent, this.availableLabel, this.selectedLabel);
    this.availableTree = new Tree(parent, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.Expand);
    GridData gridData = GridDataFactory.fillDefaults().grab(true, true).create();
    this.availableTree.setLayoutData(gridData);
    this.availableTree.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDoubleClick(MouseEvent e) {
            addSelected();
        }
    });
    this.availableTree.addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.character == ' ')
                addSelected();
        }
    });
    Composite buttonComposite = new Composite(parent, SWT.NONE);
    buttonComposite.setLayout(new GridLayout(1, true));
    Button addButton = new Button(buttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    addButton.setImage(GUIHelper.getImage("arrow_right"));
    gridData = GridDataFactory.fillDefaults().grab(false, true).align(SWT.CENTER, SWT.CENTER).create();
    addButton.setLayoutData(gridData);
    addButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            addSelected();
        }
    });
    final Button removeButton = new Button(buttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    removeButton.setImage(GUIHelper.getImage("arrow_left"));
    gridData = GridDataFactory.copyData(gridData);
    removeButton.setLayoutData(gridData);
    removeButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            removeSelected();
        }
    });
    this.selectedTree = new Tree(parent, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.Expand);
    gridData = GridDataFactory.fillDefaults().grab(true, true).create();
    this.selectedTree.setLayoutData(gridData);
    this.selectedTree.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDoubleClick(MouseEvent e) {
            if (ColumnChooserDialog.this.preventHidingAllColumns) {
                if (!isSelectedTreeCompletelySelected()) {
                    removeSelected();
                }
            } else {
                removeSelected();
            }
        }
    });
    this.selectedTree.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent e) {
            boolean controlMask = (e.stateMask & SWT.MOD1) == SWT.MOD1;
            if (controlMask && e.keyCode == SWT.ARROW_UP) {
                moveSelectedUp();
                e.doit = false;
            } else if (controlMask && e.keyCode == SWT.ARROW_DOWN) {
                moveSelectedDown();
                e.doit = false;
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.character == ' ')
                removeSelected();
        }
    });
    this.selectedTree.addTreeListener(new TreeListener() {

        @Override
        public void treeCollapsed(TreeEvent event) {
            selectedTreeCollapsed(event);
        }

        @Override
        public void treeExpanded(TreeEvent event) {
            selectedTreeExpanded(event);
        }
    });
    this.selectedTree.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent event) {
            widgetSelected(event);
        }

        @Override
        public void widgetSelected(SelectionEvent event) {
            toggleColumnGroupSelection((TreeItem) event.item);
            if (ColumnChooserDialog.this.preventHidingAllColumns) {
                removeButton.setEnabled(!isSelectedTreeCompletelySelected());
            }
        }
    });
    Composite upDownbuttonComposite = new Composite(parent, SWT.NONE);
    upDownbuttonComposite.setLayout(new GridLayout(1, true));
    Button topButton = new Button(upDownbuttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    topButton.setImage(GUIHelper.getImage("arrow_up_top"));
    gridData = GridDataFactory.fillDefaults().grab(false, true).align(SWT.CENTER, SWT.CENTER).create();
    topButton.setLayoutData(gridData);
    topButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            moveSelectedToTop();
        }
    });
    Button upButton = new Button(upDownbuttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    upButton.setImage(GUIHelper.getImage("arrow_up"));
    gridData = GridDataFactory.fillDefaults().grab(false, true).align(SWT.CENTER, SWT.CENTER).create();
    upButton.setLayoutData(gridData);
    upButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            moveSelectedUp();
        }
    });
    Button downButton = new Button(upDownbuttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    downButton.setImage(GUIHelper.getImage("arrow_down"));
    gridData = GridDataFactory.copyData(gridData);
    downButton.setLayoutData(gridData);
    downButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            moveSelectedDown();
        }
    });
    Button bottomButton = new Button(upDownbuttonComposite, SWT.PUSH);
    // $NON-NLS-1$
    bottomButton.setImage(GUIHelper.getImage("arrow_down_end"));
    gridData = GridDataFactory.copyData(gridData);
    bottomButton.setLayoutData(gridData);
    bottomButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }

        @Override
        public void widgetSelected(SelectionEvent e) {
            moveSelectedToBottom();
        }
    });
}

Example 5 with TreeListener

use of org.eclipse.swt.events.TreeListener in project tdq-studio-se by Talend.

the class Grid method initAccessible.

/**
 * Initialize accessibility.
 */
private void initAccessible() {
    final Accessible accessible = getAccessible();
    accessible.addAccessibleListener(new AccessibleAdapter() {

        public void getDescription(AccessibleEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                String descrption = "";
                for (int i = 0; i < columns.size(); i++) {
                    if (i != 0) {
                        descrption += ((GridColumn) columns.get(i)).getText() + " : ";
                        descrption += ((GridItem) items.get(childID)).getText(i) + " ";
                    }
                }
                e.result = descrption;
            }
        }

        public void getName(AccessibleEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                // Name of the items
                e.result = ((GridItem) items.get(childID)).getText();
            } else if (childID >= items.size() && childID < items.size() + columns.size()) {
                // Name of the column headers
                e.result = ((GridColumn) columns.get(childID - items.size())).getText();
            } else if (childID >= items.size() + columns.size() && childID < items.size() + columns.size() + columnGroups.length) {
                // Name of the column group headers
                e.result = ((GridColumnGroup) columnGroups[childID - items.size() - columns.size()]).getText();
            } else if (childID >= items.size() + columns.size() + columnGroups.length && childID < items.size() + columns.size() + columnGroups.length + columnGroups.length) {
                // Name of the toggle button for column group headers
                e.result = ACC_TOGGLE_BUTTON_NAME;
            }
        }
    });
    accessible.addAccessibleControlListener(new AccessibleControlAdapter() {

        public void getChildAtPoint(AccessibleControlEvent e) {
            Point location = toControl(e.x, e.y);
            e.childID = ACC.CHILDID_SELF;
            // Grid Items
            GridItem item = getItem(location);
            if (item != null) {
                for (int i = 0; i < getItems().length; i++) {
                    if (item.equals(getItem(i))) {
                        e.childID = i;
                        return;
                    }
                }
            } else {
                // Column Headers
                GridColumn column = overColumnHeader(location.x, location.y);
                if (column != null) {
                    for (int i = 0; i < getColumns().length; i++) {
                        if (column.equals(getColumn(i))) {
                            e.childID = getItems().length + i;
                            return;
                        }
                    }
                } else {
                    // Column Group headers
                    GridColumnGroup columnGroup = overColumnGroupHeader(location.x, location.y);
                    if (columnGroup != null) {
                        for (int i = 0; i < getColumnGroups().length; i++) {
                            if (columnGroup.equals(getColumnGroup(i))) {
                                Rectangle toggle = ((DefaultColumnGroupHeaderRenderer) columnGroup.getHeaderRenderer()).getToggleBounds();
                                if (toggle.contains(location.x, location.y)) {
                                    // Toggle button for column group
                                    // header
                                    e.childID = getItems().length + getColumns().length + getColumnGroups().length + i;
                                } else {
                                    // Column Group header
                                    e.childID = getItems().length + getColumns().length + i;
                                }
                                return;
                            }
                        }
                    }
                }
            }
        }

        public void getChildCount(AccessibleControlEvent e) {
            if (e.childID == ACC.CHILDID_SELF) {
                int length = items.size();
                if (isTree) {
                    // it is consider as children of Grid
                    for (int i = 0; i < items.size(); i++) {
                        if (((GridItem) items.get(i)).getParentItem() != null) {
                            length--;
                        }
                    }
                }
                e.detail = length;
            }
        }

        public void getChildren(AccessibleControlEvent e) {
            if (e.childID == ACC.CHILDID_SELF) {
                int length = items.size();
                if (isTree) {
                    for (int i = 0; i < items.size(); i++) {
                        if (((GridItem) items.get(i)).getParentItem() != null) {
                            length--;
                        }
                    }
                    Object[] children = new Object[length];
                    int j = 0;
                    for (int i = 0; i < items.size(); i++) {
                        if (((GridItem) items.get(i)).getParentItem() == null) {
                            children[j] = new Integer(i);
                            j++;
                        }
                    }
                    e.children = children;
                } else {
                    Object[] children = new Object[length];
                    for (int i = 0; i < items.size(); i++) {
                        children[i] = new Integer(i);
                    }
                    e.children = children;
                }
            }
        }

        public void getDefaultAction(AccessibleControlEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                if (getItem(childID).hasChildren()) {
                    // Action of tree items
                    if (getItem(childID).isExpanded()) {
                        e.result = ACC_ITEM_ACTION_COLLAPSE;
                    } else {
                        e.result = ACC_ITEM_ACTION_EXPAND;
                    }
                } else {
                    // action of default items
                    e.result = ACC_ITEM_DEFAULT_ACTION;
                }
            } else if (childID >= items.size() && childID < items.size() + columns.size() + columnGroups.length) {
                // action of column and column group header
                e.result = ACC_COLUMN_DEFAULT_ACTION;
            } else if (childID >= items.size() + columns.size() + columnGroups.length && childID < items.size() + columns.size() + columnGroups.length + columnGroups.length) {
                // action of toggle button of column group header
                e.result = SWT.getMessage("SWT_Press");
            }
        }

        public void getLocation(AccessibleControlEvent e) {
            // location of parent
            Rectangle location = getBounds();
            location.x = 0;
            location.y = 0;
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                // location of items
                GridItem item = getItem(childID);
                if (item != null) {
                    Point p = getOrigin((GridColumn) columns.get(0), item);
                    location.y = p.y;
                    location.height = item.getHeight();
                }
            } else if (childID >= items.size() && childID < items.size() + columns.size()) {
                // location of columns headers
                GridColumn column = getColumn(childID - items.size());
                if (column != null) {
                    location.x = getColumnHeaderXPosition(column);
                    if (column.getColumnGroup() == null) {
                        location.y = 0;
                    } else {
                        location.y = groupHeaderHeight;
                    }
                    location.height = headerHeight;
                    location.width = column.getWidth();
                }
            } else if (childID >= items.size() + columns.size() && childID < items.size() + columns.size() + columnGroups.length) {
                // location of column group header
                GridColumnGroup columnGroup = getColumnGroup(childID - items.size() - columns.size());
                if (columnGroup != null) {
                    location.y = 0;
                    location.height = groupHeaderHeight;
                    location.x = getColumnHeaderXPosition(columnGroup.getFirstVisibleColumn());
                    int width = 0;
                    for (int i = 0; i < columnGroup.getColumns().length; i++) {
                        if (columnGroup.getColumns()[i].isVisible()) {
                            width += columnGroup.getColumns()[i].getWidth();
                        }
                    }
                    location.width = width;
                }
            } else if (childID >= items.size() + columns.size() + columnGroups.length && childID < items.size() + columns.size() + columnGroups.length + columnGroups.length) {
                // location of toggle button of column group header
                GridColumnGroup columnGroup = getColumnGroup(childID - items.size() - columns.size() - columnGroups.length);
                location = ((DefaultColumnGroupHeaderRenderer) columnGroup.getHeaderRenderer()).getToggleBounds();
            }
            if (location != null) {
                Point pt = toDisplay(location.x, location.y);
                e.x = pt.x;
                e.y = pt.y;
                e.width = location.width;
                e.height = location.height;
            }
        }

        public void getRole(AccessibleControlEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                // role of items
                if (isTree) {
                    e.detail = ACC.ROLE_TREEITEM;
                } else {
                    e.detail = ACC.ROLE_LISTITEM;
                }
            } else if (childID >= items.size() && childID < items.size() + columns.size() + columnGroups.length) {
                // role of columns headers and column group headers
                e.detail = ACC.ROLE_TABLECOLUMNHEADER;
            } else if (childID >= items.size() + columns.size() + columnGroups.length && childID < items.size() + columns.size() + columnGroups.length + columnGroups.length) {
                // role of toggle button of column group headers
                e.detail = ACC.ROLE_PUSHBUTTON;
            } else if (childID == ACC.CHILDID_SELF) {
                // role of parent
                if (isTree) {
                    e.detail = ACC.ROLE_TREE;
                } else {
                    e.detail = ACC.ROLE_TABLE;
                }
            }
        }

        public void getSelection(AccessibleControlEvent e) {
            e.childID = ACC.CHILDID_NONE;
            if (selectedItems.size() == 1) {
                // Single selection
                e.childID = indexOf(((GridItem) selectedItems.get(0)));
            } else if (selectedItems.size() > 1) {
                // multiple selection
                e.childID = ACC.CHILDID_MULTIPLE;
                int length = selectedItems.size();
                Object[] children = new Object[length];
                for (int i = 0; i < length; i++) {
                    GridItem item = (GridItem) selectedItems.get(i);
                    children[i] = new Integer(indexOf(item));
                }
                e.children = children;
            }
        }

        public void getState(AccessibleControlEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                // state of items
                e.detail = ACC.STATE_SELECTABLE;
                if (getDisplay().getActiveShell() == getParent().getShell()) {
                    e.detail |= ACC.STATE_FOCUSABLE;
                }
                if (selectedItems.contains(getItem(childID))) {
                    e.detail |= ACC.STATE_SELECTED;
                    if (getDisplay().getActiveShell() == getParent().getShell()) {
                        e.detail |= ACC.STATE_FOCUSED;
                    }
                }
                if (getItem(childID).getChecked()) {
                    e.detail |= ACC.STATE_CHECKED;
                }
                // only for tree type items
                if (getItem(childID).hasChildren()) {
                    if (getItem(childID).isExpanded()) {
                        e.detail |= ACC.STATE_EXPANDED;
                    } else {
                        e.detail |= ACC.STATE_COLLAPSED;
                    }
                }
                if (!getItem(childID).isVisible()) {
                    e.detail |= ACC.STATE_INVISIBLE;
                }
            } else if (childID >= items.size() && childID < items.size() + columns.size() + columnGroups.length) {
                // state of column headers and column group headers
                e.detail = ACC.STATE_READONLY;
            } else if (childID >= items.size() + columns.size() + columnGroups.length && childID < items.size() + columns.size() + columnGroups.length + columnGroups.length) {
                // state of toggle button of column group headers
                if (getColumnGroup(childID - items.size() - columns.size() - columnGroups.length).getExpanded()) {
                    e.detail = ACC.STATE_EXPANDED;
                } else {
                    e.detail = ACC.STATE_COLLAPSED;
                }
            }
        }

        public void getValue(AccessibleControlEvent e) {
            int childID = e.childID;
            if (childID >= 0 && childID < items.size()) {
                // value for tree items
                if (isTree) {
                    e.result = "" + getItem(childID).getLevel();
                }
            }
        }
    });
    addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event event) {
            if (selectedItems.size() > 0) {
                accessible.setFocus(items.indexOf(selectedItems.get(selectedItems.size() - 1)));
            }
        }
    });
    addTreeListener(new TreeListener() {

        public void treeCollapsed(TreeEvent e) {
            if (getFocusItem() != null) {
                accessible.setFocus(items.indexOf(getFocusItem()));
            }
        }

        public void treeExpanded(TreeEvent e) {
            if (getFocusItem() != null) {
                accessible.setFocus(items.indexOf(getFocusItem()));
            }
        }
    });
}