Java tutorial
/* * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * Copyright 2008 Pentaho Corporation. All rights reserved. * * Created Mar 25, 2008 * @author Michael D'Amour */ package org.pentaho.mantle.client.solutionbrowser.tabs; import org.pentaho.gwt.widgets.client.dialogs.PromptDialogBox; import org.pentaho.gwt.widgets.client.utils.ElementUtils; import org.pentaho.mantle.client.images.MantleImages; import org.pentaho.mantle.client.messages.Messages; import org.pentaho.mantle.client.solutionbrowser.MantlePopupPanel; import org.pentaho.mantle.client.solutionbrowser.SolutionBrowserPerspective; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.http.client.URL; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.Event; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.HasVerticalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.MenuBar; import com.google.gwt.user.client.ui.MenuItem; import com.google.gwt.user.client.ui.MouseListener; import com.google.gwt.user.client.ui.PopupPanel; import com.google.gwt.user.client.ui.SourcesTabEvents; import com.google.gwt.user.client.ui.TabListener; import com.google.gwt.user.client.ui.TabPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.Widget; public class TabWidget extends HorizontalPanel implements MouseListener { private static enum TABCOMMANDTYPE { BACK, RELOAD, RELOAD_ALL, CLOSE, CLOSE_ALL, CLOSE_OTHERS, NEW_WINDOW, CREATE_DEEP_LINK }; private PopupPanel popupMenu = new MantlePopupPanel(true); private TabPanel tabPanel; private Widget tabContent; private SolutionBrowserPerspective perspective; private Label textLabel = new Label(); private HorizontalPanel panel = new HorizontalPanel(); private HorizontalPanel leftCap = new HorizontalPanel(); private Image closeTabImage = new Image(); private String fullText; private class TabCommand implements Command { TABCOMMANDTYPE mode = TABCOMMANDTYPE.RELOAD; PopupPanel popupMenu; public TabCommand(TABCOMMANDTYPE inMode, PopupPanel popupMenu) { this.mode = inMode; this.popupMenu = popupMenu; } public void execute() { popupMenu.hide(); if (mode == TABCOMMANDTYPE.RELOAD) { reloadTab(); } else if (mode == TABCOMMANDTYPE.RELOAD_ALL) { reloadAllTabs(); } else if (mode == TABCOMMANDTYPE.CLOSE) { closeTab(); } else if (mode == TABCOMMANDTYPE.CLOSE_OTHERS) { closeOtherTabs(); } else if (mode == TABCOMMANDTYPE.CLOSE_ALL) { closeAllTabs(); } else if (mode == TABCOMMANDTYPE.NEW_WINDOW) { openTabInNewWindow(); } else if (mode == TABCOMMANDTYPE.CREATE_DEEP_LINK) { createDeepLink(); } else if (mode == TABCOMMANDTYPE.BACK) { back(); } } } public TabWidget(String text, String tooltip, final SolutionBrowserPerspective perspective, final TabPanel tabPanel, final Widget tabContent) { // BISERVER-2317 Request for more IDs for Mantle UI elements // the id for each tab shall be the text which it displays getElement().setId("tab-" + text); //$NON-NLS-1$ this.tabPanel = tabPanel; this.tabContent = tabContent; this.perspective = perspective; this.fullText = text; setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); panel.setStyleName("tabWidget"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap"); //$NON-NLS-1$ Image leftCapImage = new Image(); MantleImages.images.space1x20().applyTo(leftCapImage); leftCap.setSpacing(0); leftCapImage.setWidth("5px"); //$NON-NLS-1$ leftCap.add(leftCapImage); setLabelText(text); setLabelTooltip(tooltip); textLabel.setWordWrap(false); textLabel.addMouseListener(this); tabPanel.addTabListener(new TabListener() { public boolean onBeforeTabSelected(SourcesTabEvents sender, int tabIndex) { return true; } public void onTabSelected(SourcesTabEvents sender, int tabIndex) { ElementUtils.blur(getElement().getParentElement()); if (tabIndex == tabPanel.getWidgetIndex(tabContent)) { panel.setStyleName("tabWidget-selected"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap-selected"); //$NON-NLS-1$ } else { panel.setStyleName("tabWidget"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap"); //$NON-NLS-1$ } } }); MantleImages.images.closeTab().applyTo(closeTabImage); closeTabImage.setTitle(Messages.getString("closeTab")); //$NON-NLS-1$ closeTabImage.addMouseListener(this); closeTabImage.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { closeTab(); } }); closeTabImage.getElement().setId("killTab"); //$NON-NLS-1$ panel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); panel.add(textLabel); if (perspective != null) { panel.add(closeTabImage); DOM.setStyleAttribute(closeTabImage.getElement(), "margin", "5px"); //$NON-NLS-1$ //$NON-NLS-2$ DOM.setStyleAttribute(textLabel.getElement(), "margin", "5px 0px 5px 0px"); //$NON-NLS-1$ //$NON-NLS-2$ } else { DOM.setStyleAttribute(textLabel.getElement(), "margin", "4px 5px 5px 5px"); //$NON-NLS-1$ //$NON-NLS-2$ DOM.setStyleAttribute(textLabel.getElement(), "paddingRight", "5px"); //$NON-NLS-1$ //$NON-NLS-2$ } add(leftCap); add(panel); sinkEvents(Event.ONDBLCLICK | Event.ONMOUSEUP); } public String getText() { return fullText; } public void setLabelText(String text) { String trimmedText = text.substring(0, Math.min(18, text.length())); if (!trimmedText.equals(text)) { trimmedText += ".."; //$NON-NLS-1$ } textLabel.setText(trimmedText); } public void setLabelTooltip(String tooltip) { textLabel.setTitle(tooltip); } public void closeTab() { if (tabPanel.getTabBar().getSelectedTab() == tabPanel.getWidgetIndex(tabContent)) { if (tabPanel.getTabBar().getSelectedTab() > 0) { tabPanel.selectTab(tabPanel.getTabBar().getSelectedTab() - 1); } else if (tabPanel.getTabBar().getTabCount() > 1) { tabPanel.selectTab(tabPanel.getTabBar().getSelectedTab() + 1); } } tabPanel.remove(tabPanel.getWidgetIndex(tabContent)); if (tabPanel.getWidgetCount() == 0) { if (perspective != null) { perspective.getContentTabPanel().allTabsClosed(); } } } public void closeOtherTabs() { // remove from 0 -> me while (tabContent != tabPanel.getWidget(0)) { tabPanel.remove(tabPanel.getWidget(0)); } // remove from END -> me while (tabContent != tabPanel.getWidget(tabPanel.getTabBar().getTabCount() - 1)) { tabPanel.remove(tabPanel.getWidget(tabPanel.getTabBar().getTabCount() - 1)); } tabPanel.selectTab(0); } public void back() { ((IFrameTabPanel) tabContent).back(); } public void closeAllTabs() { tabPanel.clear(); if (tabPanel.getWidgetCount() == 0) { perspective.getContentTabPanel().allTabsClosed(); } } public void reloadTab() { if (tabContent instanceof IFrameTabPanel) { ((IFrameTabPanel) tabContent).reload(); } } public void reloadAllTabs() { for (int i = 0; i < tabPanel.getTabBar().getTabCount(); i++) { if (tabPanel.getWidget(i) instanceof IFrameTabPanel) { ((IFrameTabPanel) tabPanel.getWidget(i)).reload(); } } } public void openTabInNewWindow() { if (tabContent instanceof IFrameTabPanel) { ((IFrameTabPanel) tabContent).openTabInNewWindow(); } } public void onBrowserEvent(Event event) { // the id's which are set on these menu items must be set AFTER the items are added to their menu // when an element is added to a menu an auto-generated id will be assigned, so we must override this if (perspective != null) { if ((DOM.eventGetType(event) & Event.ONDBLCLICK) == Event.ONDBLCLICK) { openTabInNewWindow(); } else if (DOM.eventGetButton(event) == Event.BUTTON_RIGHT) { int left = Window.getScrollLeft() + DOM.eventGetClientX(event); int top = Window.getScrollTop() + DOM.eventGetClientY(event); popupMenu.setPopupPosition(left, top); MenuBar menuBar = new MenuBar(true); menuBar.setAutoOpen(true); if (tabContent instanceof IFrameTabPanel) { MenuItem backMenuItem = new MenuItem(Messages.getString("back"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.BACK, popupMenu)); menuBar.addItem(backMenuItem); backMenuItem.getElement().setId("back"); //$NON-NLS-1$ menuBar.addSeparator(); MenuItem reloadTabMenuItem = new MenuItem(Messages.getString("reloadTab"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.RELOAD, popupMenu)); menuBar.addItem(reloadTabMenuItem); reloadTabMenuItem.getElement().setId("reloadTab"); //$NON-NLS-1$ } if (tabPanel.getTabBar().getTabCount() > 1) { MenuItem reloadAllTabsMenuItem = new MenuItem(Messages.getString("reloadAllTabs"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.RELOAD_ALL, popupMenu)); menuBar.addItem(reloadAllTabsMenuItem); reloadAllTabsMenuItem.getElement().setId("reloadAllTabs"); //$NON-NLS-1$ } else { MenuItem reloadAllTabsMenuItem = new MenuItem(Messages.getString("reloadAllTabs"), //$NON-NLS-1$ (Command) null); menuBar.addItem(reloadAllTabsMenuItem); reloadAllTabsMenuItem.getElement().setId("reloadAllTabs"); //$NON-NLS-1$ reloadAllTabsMenuItem.setStyleName("disabledMenuItem"); //$NON-NLS-1$ } menuBar.addSeparator(); if (tabContent instanceof IFrameTabPanel) { MenuItem openTabInNewWindowMenuItem = new MenuItem(Messages.getString("openTabInNewWindow"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.NEW_WINDOW, popupMenu)); menuBar.addItem(openTabInNewWindowMenuItem); openTabInNewWindowMenuItem.getElement().setId("openTabInNewWindow"); //$NON-NLS-1$ MenuItem createDeepLinkMenuItem = new MenuItem(Messages.getString("createDeepLink"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.CREATE_DEEP_LINK, popupMenu)); menuBar.addItem(createDeepLinkMenuItem); createDeepLinkMenuItem.getElement().setId("deepLink"); //$NON-NLS-1$ menuBar.addSeparator(); } menuBar.addItem(new MenuItem(Messages.getString("closeTab"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.CLOSE, popupMenu))); if (tabPanel.getTabBar().getTabCount() > 1) { MenuItem closeOtherTabsMenuItem = new MenuItem(Messages.getString("closeOtherTabs"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.CLOSE_OTHERS, popupMenu)); menuBar.addItem(closeOtherTabsMenuItem); closeOtherTabsMenuItem.getElement().setId("closeOtherTabs"); //$NON-NLS-1$ MenuItem closeAllTabsMenuItem = new MenuItem(Messages.getString("closeAllTabs"), //$NON-NLS-1$ new TabCommand(TABCOMMANDTYPE.CLOSE_ALL, popupMenu)); menuBar.addItem(closeAllTabsMenuItem); closeAllTabsMenuItem.getElement().setId("closeAllTabs"); //$NON-NLS-1$ } else { MenuItem closeOtherTabsMenuItem = new MenuItem(Messages.getString("closeOtherTabs"), //$NON-NLS-1$ (Command) null); closeOtherTabsMenuItem.setStyleName("disabledMenuItem"); //$NON-NLS-1$ MenuItem closeAllTabsMenuItem = new MenuItem(Messages.getString("closeAllTabs"), //$NON-NLS-1$ (Command) null); closeAllTabsMenuItem.setStyleName("disabledMenuItem"); //$NON-NLS-1$ menuBar.addItem(closeOtherTabsMenuItem); menuBar.addItem(closeAllTabsMenuItem); closeOtherTabsMenuItem.getElement().setId("closeOtherTabs"); //$NON-NLS-1$ closeAllTabsMenuItem.getElement().setId("closeAllTabs"); //$NON-NLS-1$ } popupMenu.setWidget(menuBar); popupMenu.hide(); popupMenu.show(); } } super.onBrowserEvent(event); } public void onMouseDown(Widget sender, int x, int y) { } public void onMouseEnter(Widget sender) { if (sender == closeTabImage) { MantleImages.images.closeTabHover().applyTo(closeTabImage); if (tabPanel.getTabBar().getSelectedTab() == tabPanel.getWidgetIndex(tabContent)) { panel.setStyleName("tabWidget-selected"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap-selected"); //$NON-NLS-1$ } else { panel.setStyleName("tabWidget-hover"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap-hover"); //$NON-NLS-1$ } } else { if (tabPanel.getTabBar().getSelectedTab() == tabPanel.getWidgetIndex(tabContent)) { // don't do anything } else { panel.setStyleName("tabWidget-hover"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap-hover"); //$NON-NLS-1$ } } } public void onMouseLeave(Widget sender) { if (sender == closeTabImage) { MantleImages.images.closeTab().applyTo(closeTabImage); if (tabPanel.getTabBar().getSelectedTab() == tabPanel.getWidgetIndex(tabContent)) { panel.setStyleName("tabWidget-selected"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap-selected"); //$NON-NLS-1$ } else { panel.setStyleName("tabWidget"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap"); //$NON-NLS-1$ } } else { if (tabPanel.getTabBar().getSelectedTab() == tabPanel.getWidgetIndex(tabContent)) { // don't do anything } else { panel.setStyleName("tabWidget"); //$NON-NLS-1$ leftCap.setStyleName("tabWidgetCap"); //$NON-NLS-1$ } } } public void onMouseMove(Widget sender, int x, int y) { } public void onMouseUp(Widget sender, int x, int y) { } public void createDeepLink() { if (tabContent instanceof IFrameTabPanel) { PromptDialogBox dialogBox = new PromptDialogBox(Messages.getString("deepLink"), //$NON-NLS-1$ Messages.getString("ok"), Messages.getString("cancel"), false, //$NON-NLS-1$ //$NON-NLS-2$ true); String url = Window.Location.getProtocol() + "//" + Window.Location.getHostName() + ":" //$NON-NLS-1$//$NON-NLS-2$ + Window.Location.getPort() + Window.Location.getPath() + "?name=" + textLabel.getText() + "&startup-url="; //$NON-NLS-1$ //$NON-NLS-2$ String startup = ((IFrameTabPanel) tabContent).getUrl(); TextBox urlbox = new TextBox(); urlbox.setText(url + URL.encodeComponent(startup)); urlbox.setVisibleLength(80); dialogBox.setContent(urlbox); dialogBox.center(); } } }