diff options
Diffstat (limited to 'propertysheet/src/org/eclipse/wb/core/controls/CCombo3.java')
| -rw-r--r-- | propertysheet/src/org/eclipse/wb/core/controls/CCombo3.java | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/propertysheet/src/org/eclipse/wb/core/controls/CCombo3.java b/propertysheet/src/org/eclipse/wb/core/controls/CCombo3.java deleted file mode 100644 index 8782e96..0000000 --- a/propertysheet/src/org/eclipse/wb/core/controls/CCombo3.java +++ /dev/null @@ -1,510 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2011 Google, Inc. - * 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: - * Google, Inc. - initial API and implementation - *******************************************************************************/ -package org.eclipse.wb.core.controls; - -import org.eclipse.wb.draw2d.IColorConstants; -import org.eclipse.wb.internal.core.model.property.table.PropertyTable; -import org.eclipse.wb.internal.core.utils.binding.editors.controls.DefaultControlActionsManager; - -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.SelectionListener; -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.widgets.Button; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Event; -import org.eclipse.swt.widgets.Listener; -import org.eclipse.swt.widgets.Shell; -import org.eclipse.swt.widgets.Table; -import org.eclipse.swt.widgets.TableColumn; -import org.eclipse.swt.widgets.TableItem; -import org.eclipse.swt.widgets.TypedListener; -import org.eclipse.swt.widgets.Widget; - -/** - * Combo control for {@link PropertyTable} and combo property editors. - * - * @author scheglov_ke - * @coverage core.control - */ -public class CCombo3 extends Composite { - private final long m_createTime = System.currentTimeMillis(); - private final CImageLabel m_text; - private final Button m_arrow; - private final Shell m_popup; - private final Table m_table; - private boolean m_fullDropdownTableSize = false; - - //////////////////////////////////////////////////////////////////////////// - // - // Constructor - // - //////////////////////////////////////////////////////////////////////////// - public CCombo3(Composite parent, int style) { - super(parent, style); - addEvents(this, m_comboListener, new int[]{SWT.Dispose, SWT.Move, SWT.Resize}); - // create label - { - m_text = new CImageLabel(this, SWT.NONE); - new DefaultControlActionsManager(m_text); - addEvents(m_text, m_textListener, new int[]{ - SWT.KeyDown, - SWT.KeyUp, - SWT.MouseDown, - SWT.MouseUp, - SWT.MouseMove, - SWT.MouseDoubleClick, - SWT.Traverse, - SWT.FocusIn, - SWT.FocusOut}); - } - // create arrow - { - m_arrow = new Button(this, SWT.ARROW | SWT.DOWN); - addEvents(m_arrow, m_arrowListener, new int[]{SWT.Selection, SWT.FocusIn, SWT.FocusOut}); - } - // create popup Shell - { - Shell shell = getShell(); - m_popup = new Shell(shell, SWT.NONE); - m_popup.setLayout(new FillLayout()); - } - // create table for items - { - m_table = new Table(m_popup, SWT.FULL_SELECTION); - addEvents(m_table, m_tableListener, new int[]{SWT.Selection, SWT.FocusIn, SWT.FocusOut}); - // - new TableColumn(m_table, SWT.NONE); - } - // Focus tracking filter - { - final Listener filter = new Listener() { - private boolean hasFocus; - - public void handleEvent(Event event) { - boolean old_hasFocus = hasFocus; - hasFocus = - m_text.isFocusControl() - || m_arrow.isFocusControl() - || m_popup.isFocusControl() - || m_table.isFocusControl(); - // configure colors - if (hasFocus) { - m_text.setBackground(IColorConstants.listSelection); - m_text.setForeground(IColorConstants.listSelectionText); - } else { - m_text.setBackground(IColorConstants.listBackground); - m_text.setForeground(IColorConstants.listForeground); - } - // send FocusOut event - if (old_hasFocus && !hasFocus) { - Event e = new Event(); - e.widget = CCombo3.this; - e.time = event.time; - notifyListeners(SWT.FocusOut, e); - } - } - }; - getDisplay().addFilter(SWT.FocusIn, filter); - addListener(SWT.Dispose, new Listener() { - public void handleEvent(Event event) { - getDisplay().removeFilter(SWT.FocusIn, filter); - } - }); - } - } - - //////////////////////////////////////////////////////////////////////////// - // - // Events handling - // - //////////////////////////////////////////////////////////////////////////// - private final Listener m_comboListener = new Listener() { - public void handleEvent(Event event) { - switch (event.type) { - case SWT.Dispose : - if (!m_popup.isDisposed()) { - m_popup.dispose(); - } - break; - case SWT.Move : - doDropDown(false); - break; - case SWT.Resize : - doResize(); - break; - } - } - }; - private final Listener m_textListener = new Listener() { - public void handleEvent(final Event event) { - switch (event.type) { - case SWT.MouseDown : - if (System.currentTimeMillis() - m_createTime < 400) { - // send "logical" double click for case when we just activated combo - // and almost right away click second time (but first time on editor) - event.detail = -1; - notifyListeners(SWT.MouseDoubleClick, event); - // when we use "auto drop on editor activation" option, this click is - // is "logically" second one, so it should close combo - if (!isDisposed()) { - doDropDown(false); - } - } else { - m_text.setCapture(true); - doDropDown(!isDropped()); - } - break; - case SWT.MouseUp : { - m_text.setCapture(false); - TableItem item = getItemUnderCursor(event); - if (item != null) { - doDropDown(false); - sendSelectionEvent(event); - } - break; - } - case SWT.MouseDoubleClick : - // prevent resending MouseDoubleClick that we sent on fast MouseDown - if (event.detail != -1) { - notifyListeners(SWT.MouseDoubleClick, event); - } - break; - case SWT.MouseMove : { - TableItem item = getItemUnderCursor(event); - if (item != null) { - m_table.setSelection(new TableItem[]{item}); - } - break; - } - case SWT.KeyDown : { - // check for keyboard navigation and selection - { - int selectionIndex = m_table.getSelectionIndex(); - if (event.keyCode == SWT.ARROW_UP) { - selectionIndex--; - if (selectionIndex < 0) { - selectionIndex = m_table.getItemCount() - 1; - } - m_table.setSelection(selectionIndex); - return; - } else if (event.keyCode == SWT.ARROW_DOWN) { - m_table.setSelection((selectionIndex + 1) % m_table.getItemCount()); - return; - } else if (event.character == SWT.CR || event.character == ' ') { - sendSelectionEvent(event); - return; - } - } - // be default just resend event - resendKeyEvent(event); - break; - } - case SWT.KeyUp : - resendKeyEvent(event); - break; - } - } - - private TableItem getItemUnderCursor(Event event) { - Point displayLocation = m_text.toDisplay(new Point(event.x, event.y)); - Point tableLocation = m_table.toControl(displayLocation); - return m_table.getItem(tableLocation); - } - }; - private final Listener m_arrowListener = new Listener() { - public void handleEvent(Event event) { - switch (event.type) { - /*case SWT.FocusIn : { - resendFocusEvent(event); - break; - }*/ - case SWT.Selection : { - doDropDown(!isDropped()); - break; - } - } - } - }; - private final Listener m_tableListener = new Listener() { - public void handleEvent(Event event) { - switch (event.type) { - case SWT.Selection : { - doDropDown(false); - // show selected item in text - { - int index = m_table.getSelectionIndex(); - select(index); - } - // send selection event - sendSelectionEvent(event); - break; - } - } - } - }; - - //////////////////////////////////////////////////////////////////////////// - // - // Events utils - // - //////////////////////////////////////////////////////////////////////////// - /** - * Sends selection event. - */ - private void sendSelectionEvent(Event event) { - Event e = new Event(); - e.time = event.time; - e.stateMask = event.stateMask; - notifyListeners(SWT.Selection, e); - } - - /** - * Resends KeyDown/KeyUp events. - */ - private void resendKeyEvent(Event event) { - Event e = new Event(); - e.time = event.time; - e.character = event.character; - e.keyCode = event.keyCode; - e.stateMask = event.stateMask; - notifyListeners(event.type, e); - } - - /** - * Adds given listener as handler for events in given widget. - */ - private void addEvents(Widget widget, Listener listener, int[] events) { - for (int i = 0; i < events.length; i++) { - widget.addListener(events[i], listener); - } - } - - /** - * Adds the listener to receive events. - */ - public void addSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Selection, typedListener); - addListener(SWT.DefaultSelection, typedListener); - } - - //////////////////////////////////////////////////////////////////////////// - // - // Activity - // - //////////////////////////////////////////////////////////////////////////// - /** - * Sets drop state of combo. - */ - public void doDropDown(boolean drop) { - // check, may be we already in this drop state - if (drop == isDropped()) { - return; - } - // close combo - if (!drop) { - m_popup.setVisible(false); - m_text.setFocus(); - return; - } - // open combo - { - // prepare popup location - Point comboSize = getSize(); - Point popupLocation; - { - //popupLocation = getParent().toDisplay(getLocation()); - popupLocation = toDisplay(new Point(0, 0)); - popupLocation.y += comboSize.y; - } - // calculate and set popup location - { - TableColumn tableColumn = m_table.getColumn(0); - // pack everything - tableColumn.pack(); - m_table.pack(); - m_popup.pack(); - // calculate bounds - Rectangle tableBounds = m_table.getBounds(); - tableBounds.height = Math.min(tableBounds.height, m_table.getItemHeight() * 20); // max 20 items without scrolling - m_table.setBounds(tableBounds); - // calculate size - int remainingDisplayHeight = getDisplay().getClientArea().height - popupLocation.y - 10; - int preferredHeight = Math.min(tableBounds.height, remainingDisplayHeight); - int remainingDisplayWidth = getDisplay().getClientArea().width - popupLocation.x - 5; - int preferredWidth = - isFullDropdownTableWidth() - ? Math.min(tableBounds.width, remainingDisplayWidth) - : comboSize.x; - // set popup bounds calculated as computeTrim basing on combo width and table height paying attention on remaining display space - Rectangle popupBounds = - m_popup.computeTrim(popupLocation.x, popupLocation.y, preferredWidth, preferredHeight); - m_popup.setBounds(popupBounds); - // adjust column size - tableColumn.setWidth(m_table.getClientArea().width); - } - m_popup.setVisible(true); - // scroll to selection if needed - m_table.showSelection(); - } - } - - /** - * Initiates "press-hold-drag" sequence. - */ - public void startDrag() { - m_text.setCapture(true); - } - - //////////////////////////////////////////////////////////////////////////// - // - // Access - // - //////////////////////////////////////////////////////////////////////////// - public void setFullDropdownTableWidth(boolean freeTableSize) { - m_fullDropdownTableSize = freeTableSize; - } - - public boolean isFullDropdownTableWidth() { - return m_fullDropdownTableSize; - } - - public boolean isDropped() { - return m_popup.isVisible(); - } - - public void setQuickSearch(boolean value) { - // TODO - } - - //////////////////////////////////////////////////////////////////////////// - // - // Access: items - // - //////////////////////////////////////////////////////////////////////////// - /** - * Removes all items. - */ - public void removeAll() { - TableItem[] items = m_table.getItems(); - for (int index = 0; index < items.length; index++) { - TableItem item = items[index]; - item.dispose(); - } - } - - /** - * Adds new item with given text. - */ - public void add(String text) { - add(text, null); - } - - /** - * Adds new item with given text and image. - */ - public void add(String text, Image image) { - checkWidget(); - TableItem item = new TableItem(m_table, SWT.NONE); - item.setText(text); - item.setImage(image); - } - - /** - * @return an item at given index - */ - public String getItem(int index) { - checkWidget(); - return m_table.getItem(index).getText(); - } - - /** - * @return the number of items - */ - public int getItemCount() { - checkWidget(); - return m_table.getItemCount(); - } - - /** - * @return the index of the selected item - */ - public int getSelectionIndex() { - checkWidget(); - return m_table.getSelectionIndex(); - } - - /** - * Selects an item with given index. - */ - public void select(int index) { - checkWidget(); - if (index == -1) { - m_table.deselectAll(); - m_text.setText(null); - m_text.setImage(null); - return; - } else { - TableItem item = m_table.getItem(index); - m_text.setText(item.getText()); - m_text.setImage(item.getImage()); - m_table.select(index); - } - } - - //////////////////////////////////////////////////////////////////////////// - // - // Access: text and image - // - //////////////////////////////////////////////////////////////////////////// - /** - * Selects item with given text. - */ - public void setText(String text) { - // try to find item with given text - TableItem[] items = m_table.getItems(); - for (int index = 0; index < items.length; index++) { - TableItem item = items[index]; - if (item.getText().equals(text)) { - select(index); - return; - } - } - // not found, remove selection - select(-1); - } - - //////////////////////////////////////////////////////////////////////////// - // - // Resize support - // TODO: computeSize - // - //////////////////////////////////////////////////////////////////////////// - protected void doResize() { - Rectangle clientArea = getClientArea(); - int areaWidth = clientArea.width; - int areaHeight = clientArea.height; - // compute sizes of controls - Point buttonSize = m_arrow.computeSize(areaHeight, areaHeight); - Point textSize = m_text.computeSize(areaWidth - buttonSize.x, areaHeight); - // set controls location/size - m_arrow.setLocation(areaWidth - buttonSize.x, 0); - m_arrow.setSize(buttonSize); - m_text.setSize(areaWidth - buttonSize.x, Math.max(textSize.y, areaHeight)); - } -} |