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Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TreeTab.java')
| -rwxr-xr-x | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TreeTab.java | 780 |
1 files changed, 0 insertions, 780 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TreeTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TreeTab.java deleted file mode 100755 index 3e19df53a5..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/TreeTab.java +++ /dev/null @@ -1,780 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2007 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.examples.controlexample; - - -import org.eclipse.swt.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; - -class TreeTab extends ScrollableTab { - /* Example widgets and groups that contain them */ - Tree tree1, tree2; - TreeItem textNode1, imageNode1; - Group treeGroup, imageTreeGroup, itemGroup; - - /* Size widgets added to the "Size" group */ - Button packColumnsButton; - - /* Style widgets added to the "Style" group */ - Button checkButton, fullSelectionButton; - - /* Other widgets added to the "Other" group */ - Button multipleColumns, moveableColumns, resizableColumns, headerVisibleButton, sortIndicatorButton, headerImagesButton, subImagesButton, linesVisibleButton; - - /* Controls and resources added to the "Colors and Fonts" group */ - static final int ITEM_FOREGROUND_COLOR = 3; - static final int ITEM_BACKGROUND_COLOR = 4; - static final int ITEM_FONT = 5; - static final int CELL_FOREGROUND_COLOR = 6; - static final int CELL_BACKGROUND_COLOR = 7; - static final int CELL_FONT = 8; - Color itemForegroundColor, itemBackgroundColor, cellForegroundColor, cellBackgroundColor; - Font itemFont, cellFont; - - static String [] columnTitles = {ControlExample.getResourceString("TableTitle_0"), - ControlExample.getResourceString("TableTitle_1"), - ControlExample.getResourceString("TableTitle_2"), - ControlExample.getResourceString("TableTitle_3")}; - - static String[][] tableData = { - { ControlExample.getResourceString("TableLine0_0"), - ControlExample.getResourceString("TableLine0_1"), - ControlExample.getResourceString("TableLine0_2"), - ControlExample.getResourceString("TableLine0_3") }, - { ControlExample.getResourceString("TableLine1_0"), - ControlExample.getResourceString("TableLine1_1"), - ControlExample.getResourceString("TableLine1_2"), - ControlExample.getResourceString("TableLine1_3") }, - { ControlExample.getResourceString("TableLine2_0"), - ControlExample.getResourceString("TableLine2_1"), - ControlExample.getResourceString("TableLine2_2"), - ControlExample.getResourceString("TableLine2_3") } }; - - Point menuMouseCoords; - - /** - * Creates the Tab within a given instance of ControlExample. - */ - TreeTab(ControlExample instance) { - super(instance); - } - - /** - * Creates the "Colors and Fonts" group. - */ - void createColorAndFontGroup () { - super.createColorAndFontGroup(); - - TableItem item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Item_Foreground_Color")); - item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Item_Background_Color")); - item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Item_Font")); - item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Cell_Foreground_Color")); - item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Cell_Background_Color")); - item = new TableItem(colorAndFontTable, SWT.None); - item.setText(ControlExample.getResourceString ("Cell_Font")); - - shell.addDisposeListener(new DisposeListener() { - public void widgetDisposed(DisposeEvent event) { - if (itemBackgroundColor != null) itemBackgroundColor.dispose(); - if (itemForegroundColor != null) itemForegroundColor.dispose(); - if (itemFont != null) itemFont.dispose(); - if (cellBackgroundColor != null) cellBackgroundColor.dispose(); - if (cellForegroundColor != null) cellForegroundColor.dispose(); - if (cellFont != null) cellFont.dispose(); - itemBackgroundColor = null; - itemForegroundColor = null; - itemFont = null; - cellBackgroundColor = null; - cellForegroundColor = null; - cellFont = null; - } - }); - } - - void changeFontOrColor(int index) { - switch (index) { - case ITEM_FOREGROUND_COLOR: { - Color oldColor = itemForegroundColor; - if (oldColor == null) oldColor = textNode1.getForeground (); - colorDialog.setRGB(oldColor.getRGB()); - RGB rgb = colorDialog.open(); - if (rgb == null) return; - oldColor = itemForegroundColor; - itemForegroundColor = new Color (display, rgb); - setItemForeground (); - if (oldColor != null) oldColor.dispose (); - } - break; - case ITEM_BACKGROUND_COLOR: { - Color oldColor = itemBackgroundColor; - if (oldColor == null) oldColor = textNode1.getBackground (); - colorDialog.setRGB(oldColor.getRGB()); - RGB rgb = colorDialog.open(); - if (rgb == null) return; - oldColor = itemBackgroundColor; - itemBackgroundColor = new Color (display, rgb); - setItemBackground (); - if (oldColor != null) oldColor.dispose (); - } - break; - case ITEM_FONT: { - Font oldFont = itemFont; - if (oldFont == null) oldFont = textNode1.getFont (); - fontDialog.setFontList(oldFont.getFontData()); - FontData fontData = fontDialog.open (); - if (fontData == null) return; - oldFont = itemFont; - itemFont = new Font (display, fontData); - setItemFont (); - setExampleWidgetSize (); - if (oldFont != null) oldFont.dispose (); - } - break; - case CELL_FOREGROUND_COLOR: { - Color oldColor = cellForegroundColor; - if (oldColor == null) oldColor = textNode1.getForeground (1); - colorDialog.setRGB(oldColor.getRGB()); - RGB rgb = colorDialog.open(); - if (rgb == null) return; - oldColor = cellForegroundColor; - cellForegroundColor = new Color (display, rgb); - setCellForeground (); - if (oldColor != null) oldColor.dispose (); - } - break; - case CELL_BACKGROUND_COLOR: { - Color oldColor = cellBackgroundColor; - if (oldColor == null) oldColor = textNode1.getBackground (1); - colorDialog.setRGB(oldColor.getRGB()); - RGB rgb = colorDialog.open(); - if (rgb == null) return; - oldColor = cellBackgroundColor; - cellBackgroundColor = new Color (display, rgb); - setCellBackground (); - if (oldColor != null) oldColor.dispose (); - } - break; - case CELL_FONT: { - Font oldFont = cellFont; - if (oldFont == null) oldFont = textNode1.getFont (1); - fontDialog.setFontList(oldFont.getFontData()); - FontData fontData = fontDialog.open (); - if (fontData == null) return; - oldFont = cellFont; - cellFont = new Font (display, fontData); - setCellFont (); - setExampleWidgetSize (); - if (oldFont != null) oldFont.dispose (); - } - break; - default: - super.changeFontOrColor(index); - } - } - - /** - * Creates the "Other" group. - */ - void createOtherGroup () { - super.createOtherGroup (); - - /* Create display controls specific to this example */ - linesVisibleButton = new Button (otherGroup, SWT.CHECK); - linesVisibleButton.setText (ControlExample.getResourceString("Lines_Visible")); - multipleColumns = new Button (otherGroup, SWT.CHECK); - multipleColumns.setText (ControlExample.getResourceString("Multiple_Columns")); - headerVisibleButton = new Button (otherGroup, SWT.CHECK); - headerVisibleButton.setText (ControlExample.getResourceString("Header_Visible")); - sortIndicatorButton = new Button (otherGroup, SWT.CHECK); - sortIndicatorButton.setText (ControlExample.getResourceString("Sort_Indicator")); - moveableColumns = new Button (otherGroup, SWT.CHECK); - moveableColumns.setText (ControlExample.getResourceString("Moveable_Columns")); - resizableColumns = new Button (otherGroup, SWT.CHECK); - resizableColumns.setText (ControlExample.getResourceString("Resizable_Columns")); - headerImagesButton = new Button (otherGroup, SWT.CHECK); - headerImagesButton.setText (ControlExample.getResourceString("Header_Images")); - subImagesButton = new Button (otherGroup, SWT.CHECK); - subImagesButton.setText (ControlExample.getResourceString("Sub_Images")); - - /* Add the listeners */ - linesVisibleButton.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - setWidgetLinesVisible (); - } - }); - multipleColumns.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - recreateExampleWidgets (); - } - }); - headerVisibleButton.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - setWidgetHeaderVisible (); - } - }); - sortIndicatorButton.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - setWidgetSortIndicator (); - } - }); - moveableColumns.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - setColumnsMoveable (); - } - }); - resizableColumns.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - setColumnsResizable (); - } - }); - headerImagesButton.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - recreateExampleWidgets (); - } - }); - subImagesButton.addSelectionListener (new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - recreateExampleWidgets (); - } - }); - } - - /** - * Creates the "Example" group. - */ - void createExampleGroup () { - super.createExampleGroup (); - - /* Create a group for the text tree */ - treeGroup = new Group (exampleGroup, SWT.NONE); - treeGroup.setLayout (new GridLayout ()); - treeGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true)); - treeGroup.setText ("Tree"); - - /* Create a group for the image tree */ - imageTreeGroup = new Group (exampleGroup, SWT.NONE); - imageTreeGroup.setLayout (new GridLayout ()); - imageTreeGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true)); - imageTreeGroup.setText (ControlExample.getResourceString("Tree_With_Images")); - } - - /** - * Creates the "Example" widgets. - */ - void createExampleWidgets () { - /* Compute the widget style */ - int style = getDefaultStyle(); - if (singleButton.getSelection()) style |= SWT.SINGLE; - if (multiButton.getSelection()) style |= SWT.MULTI; - if (horizontalButton.getSelection ()) style |= SWT.H_SCROLL; - if (verticalButton.getSelection ()) style |= SWT.V_SCROLL; - if (checkButton.getSelection()) style |= SWT.CHECK; - if (fullSelectionButton.getSelection ()) style |= SWT.FULL_SELECTION; - if (borderButton.getSelection()) style |= SWT.BORDER; - - /* Create the text tree */ - tree1 = new Tree (treeGroup, style); - boolean multiColumn = multipleColumns.getSelection(); - if (multiColumn) { - for (int i = 0; i < columnTitles.length; i++) { - TreeColumn treeColumn = new TreeColumn(tree1, SWT.NONE); - treeColumn.setText(columnTitles[i]); - treeColumn.setToolTipText(ControlExample.getResourceString("Tooltip", new String [] {columnTitles[i]})); - } - tree1.setSortColumn(tree1.getColumn(0)); - } - for (int i = 0; i < 4; i++) { - TreeItem item = new TreeItem (tree1, SWT.NONE); - setItemText(item, i, ControlExample.getResourceString("Node_" + (i + 1))); - if (i < 3) { - TreeItem subitem = new TreeItem (item, SWT.NONE); - setItemText(subitem, i, ControlExample.getResourceString("Node_" + (i + 1) + "_1")); - } - } - TreeItem treeRoots[] = tree1.getItems (); - TreeItem item = new TreeItem (treeRoots[1], SWT.NONE); - setItemText(item, 1, ControlExample.getResourceString("Node_2_2")); - item = new TreeItem (item, SWT.NONE); - setItemText(item, 1, ControlExample.getResourceString("Node_2_2_1")); - textNode1 = treeRoots[0]; - packColumns(tree1); - try { - TreeColumn column = tree1.getColumn(0); - resizableColumns.setSelection (column.getResizable()); - } catch (IllegalArgumentException ex) {} - - /* Create the image tree */ - tree2 = new Tree (imageTreeGroup, style); - Image image = instance.images[ControlExample.ciClosedFolder]; - if (multiColumn) { - for (int i = 0; i < columnTitles.length; i++) { - TreeColumn treeColumn = new TreeColumn(tree2, SWT.NONE); - treeColumn.setText(columnTitles[i]); - treeColumn.setToolTipText(ControlExample.getResourceString("Tooltip", new String [] {columnTitles[i]})); - if (headerImagesButton.getSelection()) treeColumn.setImage(image); - } - } - for (int i = 0; i < 4; i++) { - item = new TreeItem (tree2, SWT.NONE); - setItemText(item, i, ControlExample.getResourceString("Node_" + (i + 1))); - if (multiColumn && subImagesButton.getSelection()) { - for (int j = 0; j < columnTitles.length; j++) { - item.setImage(j, image); - } - } else { - item.setImage(image); - } - if (i < 3) { - TreeItem subitem = new TreeItem (item, SWT.NONE); - setItemText(subitem, i, ControlExample.getResourceString("Node_" + (i + 1) + "_1")); - if (multiColumn && subImagesButton.getSelection()) { - for (int j = 0; j < columnTitles.length; j++) { - subitem.setImage(j, image); - } - } else { - subitem.setImage(image); - } - } - } - treeRoots = tree2.getItems (); - item = new TreeItem (treeRoots[1], SWT.NONE); - setItemText(item, 1, ControlExample.getResourceString("Node_2_2")); - if (multiColumn && subImagesButton.getSelection()) { - for (int j = 0; j < columnTitles.length; j++) { - item.setImage(j, image); - } - } else { - item.setImage(image); - } - item = new TreeItem (item, SWT.NONE); - setItemText(item, 1, ControlExample.getResourceString("Node_2_2_1")); - if (multiColumn && subImagesButton.getSelection()) { - for (int j = 0; j < columnTitles.length; j++) { - item.setImage(j, image); - } - } else { - item.setImage(image); - } - imageNode1 = treeRoots[0]; - packColumns(tree2); - } - - void setItemText(TreeItem item, int i, String node) { - int index = i % 3; - if (multipleColumns.getSelection()) { - tableData [index][0] = node; - item.setText (tableData [index]); - } else { - item.setText (node); - } - } - - /** - * Creates the "Size" group. The "Size" group contains - * controls that allow the user to change the size of - * the example widgets. - */ - void createSizeGroup () { - super.createSizeGroup(); - - packColumnsButton = new Button (sizeGroup, SWT.PUSH); - packColumnsButton.setText (ControlExample.getResourceString("Pack_Columns")); - packColumnsButton.addSelectionListener(new SelectionAdapter () { - public void widgetSelected (SelectionEvent event) { - packColumns (tree1); - packColumns (tree2); - setExampleWidgetSize (); - } - }); - } - - /** - * Creates the "Style" group. - */ - void createStyleGroup() { - super.createStyleGroup(); - - /* Create the extra widgets */ - checkButton = new Button (styleGroup, SWT.CHECK); - checkButton.setText ("SWT.CHECK"); - fullSelectionButton = new Button (styleGroup, SWT.CHECK); - fullSelectionButton.setText ("SWT.FULL_SELECTION"); - } - - /** - * Gets the "Example" widget children's items, if any. - * - * @return an array containing the example widget children's items - */ - Item [] getExampleWidgetItems () { - /* Note: We do not bother collecting the tree items - * because tree items don't have any events. If events - * are ever added to TreeItem, then this needs to change. - */ - Item [] columns1 = tree1.getColumns(); - Item [] columns2 = tree2.getColumns(); - Item [] allItems = new Item [columns1.length + columns2.length]; - System.arraycopy(columns1, 0, allItems, 0, columns1.length); - System.arraycopy(columns2, 0, allItems, columns1.length, columns2.length); - return allItems; - } - - /** - * Gets the "Example" widget children. - */ - Widget [] getExampleWidgets () { - return new Widget [] {tree1, tree2}; - } - - /** - * Returns a list of set/get API method names (without the set/get prefix) - * that can be used to set/get values in the example control(s). - */ - String[] getMethodNames() { - return new String[] {"ColumnOrder", "Selection", "ToolTipText", "TopItem"}; - } - - Object[] parameterForType(String typeName, String value, Widget widget) { - if (typeName.equals("org.eclipse.swt.widgets.TreeItem")) { - TreeItem item = findItem(value, ((Tree) widget).getItems()); - if (item != null) return new Object[] {item}; - } - if (typeName.equals("[Lorg.eclipse.swt.widgets.TreeItem;")) { - String[] values = split(value, ','); - TreeItem[] items = new TreeItem[values.length]; - for (int i = 0; i < values.length; i++) { - TreeItem item = findItem(values[i], ((Tree) widget).getItems()); - if (item == null) break; - items[i] = item; - } - return new Object[] {items}; - } - return super.parameterForType(typeName, value, widget); - } - - TreeItem findItem(String value, TreeItem[] items) { - for (int i = 0; i < items.length; i++) { - TreeItem item = items[i]; - if (item.getText().equals(value)) return item; - item = findItem(value, item.getItems()); - if (item != null) return item; - } - return null; - } - - /** - * Gets the text for the tab folder item. - */ - String getTabText () { - return "Tree"; - } - - void packColumns (Tree tree) { - if (multipleColumns.getSelection()) { - int columnCount = tree.getColumnCount(); - for (int i = 0; i < columnCount; i++) { - TreeColumn treeColumn = tree.getColumn(i); - treeColumn.pack(); - } - } - } - - /** - * Sets the moveable columns state of the "Example" widgets. - */ - void setColumnsMoveable () { - boolean selection = moveableColumns.getSelection(); - TreeColumn[] columns1 = tree1.getColumns(); - for (int i = 0; i < columns1.length; i++) { - columns1[i].setMoveable(selection); - } - TreeColumn[] columns2 = tree2.getColumns(); - for (int i = 0; i < columns2.length; i++) { - columns2[i].setMoveable(selection); - } - } - - /** - * Sets the resizable columns state of the "Example" widgets. - */ - void setColumnsResizable () { - boolean selection = resizableColumns.getSelection(); - TreeColumn[] columns1 = tree1.getColumns(); - for (int i = 0; i < columns1.length; i++) { - columns1[i].setResizable(selection); - } - TreeColumn[] columns2 = tree2.getColumns(); - for (int i = 0; i < columns2.length; i++) { - columns2[i].setResizable(selection); - } - } - - /** - * Sets the foreground color, background color, and font - * of the "Example" widgets to their default settings. - * Also sets foreground and background color of the Node 1 - * TreeItems to default settings. - */ - void resetColorsAndFonts () { - super.resetColorsAndFonts (); - Color oldColor = itemForegroundColor; - itemForegroundColor = null; - setItemForeground (); - if (oldColor != null) oldColor.dispose(); - oldColor = itemBackgroundColor; - itemBackgroundColor = null; - setItemBackground (); - if (oldColor != null) oldColor.dispose(); - Font oldFont = font; - itemFont = null; - setItemFont (); - if (oldFont != null) oldFont.dispose(); - oldColor = cellForegroundColor; - cellForegroundColor = null; - setCellForeground (); - if (oldColor != null) oldColor.dispose(); - oldColor = cellBackgroundColor; - cellBackgroundColor = null; - setCellBackground (); - if (oldColor != null) oldColor.dispose(); - oldFont = font; - cellFont = null; - setCellFont (); - if (oldFont != null) oldFont.dispose(); - } - - /** - * Sets the state of the "Example" widgets. - */ - void setExampleWidgetState () { - setItemBackground (); - setItemForeground (); - setItemFont (); - setCellBackground (); - setCellForeground (); - setCellFont (); - if (!instance.startup) { - setColumnsMoveable (); - setColumnsResizable (); - setWidgetHeaderVisible (); - setWidgetSortIndicator (); - setWidgetLinesVisible (); - } - super.setExampleWidgetState (); - checkButton.setSelection ((tree1.getStyle () & SWT.CHECK) != 0); - checkButton.setSelection ((tree2.getStyle () & SWT.CHECK) != 0); - fullSelectionButton.setSelection ((tree1.getStyle () & SWT.FULL_SELECTION) != 0); - fullSelectionButton.setSelection ((tree2.getStyle () & SWT.FULL_SELECTION) != 0); - try { - TreeColumn column = tree1.getColumn(0); - moveableColumns.setSelection (column.getMoveable()); - resizableColumns.setSelection (column.getResizable()); - } catch (IllegalArgumentException ex) {} - headerVisibleButton.setSelection (tree1.getHeaderVisible()); - linesVisibleButton.setSelection (tree1.getLinesVisible()); - } - - /** - * Sets the background color of the Node 1 TreeItems in column 1. - */ - void setCellBackground () { - if (!instance.startup) { - textNode1.setBackground (1, cellBackgroundColor); - imageNode1.setBackground (1, cellBackgroundColor); - } - /* Set the background color item's image to match the background color of the cell. */ - Color color = cellBackgroundColor; - if (color == null) color = textNode1.getBackground (1); - TableItem item = colorAndFontTable.getItem(CELL_BACKGROUND_COLOR); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (colorImage(color)); - } - - /** - * Sets the foreground color of the Node 1 TreeItems in column 1. - */ - void setCellForeground () { - if (!instance.startup) { - textNode1.setForeground (1, cellForegroundColor); - imageNode1.setForeground (1, cellForegroundColor); - } - /* Set the foreground color item's image to match the foreground color of the cell. */ - Color color = cellForegroundColor; - if (color == null) color = textNode1.getForeground (1); - TableItem item = colorAndFontTable.getItem(CELL_FOREGROUND_COLOR); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (colorImage(color)); - } - - /** - * Sets the font of the Node 1 TreeItems in column 1. - */ - void setCellFont () { - if (!instance.startup) { - textNode1.setFont (1, cellFont); - imageNode1.setFont (1, cellFont); - } - /* Set the font item's image to match the font of the item. */ - Font ft = cellFont; - if (ft == null) ft = textNode1.getFont (1); - TableItem item = colorAndFontTable.getItem(CELL_FONT); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (fontImage(ft)); - item.setFont(ft); - colorAndFontTable.layout (); - } - - /** - * Sets the background color of the Node 1 TreeItems. - */ - void setItemBackground () { - if (!instance.startup) { - textNode1.setBackground (itemBackgroundColor); - imageNode1.setBackground (itemBackgroundColor); - } - /* Set the background button's color to match the background color of the item. */ - Color color = itemBackgroundColor; - if (color == null) color = textNode1.getBackground (); - TableItem item = colorAndFontTable.getItem(ITEM_BACKGROUND_COLOR); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (colorImage(color)); - } - - /** - * Sets the foreground color of the Node 1 TreeItems. - */ - void setItemForeground () { - if (!instance.startup) { - textNode1.setForeground (itemForegroundColor); - imageNode1.setForeground (itemForegroundColor); - } - /* Set the foreground button's color to match the foreground color of the item. */ - Color color = itemForegroundColor; - if (color == null) color = textNode1.getForeground (); - TableItem item = colorAndFontTable.getItem(ITEM_FOREGROUND_COLOR); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (colorImage(color)); - } - - /** - * Sets the font of the Node 1 TreeItems. - */ - void setItemFont () { - if (!instance.startup) { - textNode1.setFont (itemFont); - imageNode1.setFont (itemFont); - } - /* Set the font item's image to match the font of the item. */ - Font ft = itemFont; - if (ft == null) ft = textNode1.getFont (); - TableItem item = colorAndFontTable.getItem(ITEM_FONT); - Image oldImage = item.getImage(); - if (oldImage != null) oldImage.dispose(); - item.setImage (fontImage(ft)); - item.setFont(ft); - colorAndFontTable.layout (); - } - - /** - * Sets the header visible state of the "Example" widgets. - */ - void setWidgetHeaderVisible () { - tree1.setHeaderVisible (headerVisibleButton.getSelection ()); - tree2.setHeaderVisible (headerVisibleButton.getSelection ()); - } - - /** - * Sets the sort indicator state of the "Example" widgets. - */ - void setWidgetSortIndicator () { - if (sortIndicatorButton.getSelection ()) { - initializeSortState (tree1); - initializeSortState (tree2); - } else { - resetSortState (tree1); - resetSortState (tree2); - } - } - - /** - * Sets the initial sort indicator state and adds a listener - * to cycle through sort states and columns. - */ - void initializeSortState (final Tree tree) { - /* Reset to known state: 'down' on column 0. */ - tree.setSortDirection (SWT.DOWN); - TreeColumn [] columns = tree.getColumns(); - for (int i = 0; i < columns.length; i++) { - TreeColumn column = columns[i]; - if (i == 0) tree.setSortColumn(column); - SelectionListener listener = new SelectionAdapter() { - public void widgetSelected(SelectionEvent e) { - int sortDirection = SWT.DOWN; - if (e.widget == tree.getSortColumn()) { - /* If the sort column hasn't changed, cycle down -> up -> none. */ - switch (tree.getSortDirection ()) { - case SWT.DOWN: sortDirection = SWT.UP; break; - case SWT.UP: sortDirection = SWT.NONE; break; - } - } else { - tree.setSortColumn((TreeColumn)e.widget); - } - tree.setSortDirection (sortDirection); - } - }; - column.addSelectionListener(listener); - column.setData("SortListener", listener); //$NON-NLS-1$ - } - } - - void resetSortState (final Tree tree) { - tree.setSortDirection (SWT.NONE); - TreeColumn [] columns = tree.getColumns(); - for (int i = 0; i < columns.length; i++) { - SelectionListener listener = (SelectionListener)columns[i].getData("SortListener"); //$NON-NLS-1$ - if (listener != null) columns[i].removeSelectionListener(listener); - } - } - - /** - * Sets the lines visible state of the "Example" widgets. - */ - void setWidgetLinesVisible () { - tree1.setLinesVisible (linesVisibleButton.getSelection ()); - tree2.setLinesVisible (linesVisibleButton.getSelection ()); - } - - protected void specialPopupMenuItems(Menu menu, Event event) { - MenuItem item = new MenuItem(menu, SWT.PUSH); - item.setText("getItem(Point) on mouse coordinates"); - final Tree t = (Tree) event.widget; - menuMouseCoords = t.toControl(new Point(event.x, event.y)); - item.addSelectionListener(new SelectionAdapter() { - public void widgetSelected(SelectionEvent e) { - eventConsole.append ("getItem(Point(" + menuMouseCoords + ")) returned: " + t.getItem(menuMouseCoords)); - eventConsole.append ("\n"); - }; - }); - } -} |