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- /*
- * Copyright 2000-2014 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.client.debug.internal;
-
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.event.dom.client.ClickEvent;
- import com.google.gwt.event.dom.client.ClickHandler;
- import com.google.gwt.event.dom.client.KeyCodes;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.google.gwt.user.client.Event;
- import com.google.gwt.user.client.Event.NativePreviewEvent;
- import com.google.gwt.user.client.Event.NativePreviewHandler;
- import com.google.gwt.user.client.ui.Button;
- import com.google.gwt.user.client.ui.FlowPanel;
- import com.google.gwt.user.client.ui.HTML;
- import com.google.gwt.user.client.ui.RootPanel;
- import com.google.gwt.user.client.ui.SimplePanel;
- import com.google.gwt.user.client.ui.Widget;
- import com.vaadin.client.ApplicationConfiguration;
- import com.vaadin.client.ApplicationConnection;
- import com.vaadin.client.ComponentConnector;
- import com.vaadin.client.ServerConnector;
- import com.vaadin.client.Util;
- import com.vaadin.client.ValueMap;
-
- /**
- * Provides functionality for examining the UI component hierarchy.
- *
- * @since 7.1
- * @author Vaadin Ltd
- */
- public class HierarchySection implements Section {
- private final DebugButton tabButton = new DebugButton(Icon.HIERARCHY,
- "Examine component hierarchy");
-
- private final SimplePanel content = new SimplePanel();
-
- // TODO highlighting logic is split between these, should be refactored
- private final FlowPanel helpPanel = new FlowPanel();
- private final ConnectorInfoPanel infoPanel = new ConnectorInfoPanel();
- private final HierarchyPanel hierarchyPanel = new HierarchyPanel();
- private final OptimizedWidgetsetPanel widgetsetPanel = new OptimizedWidgetsetPanel();
- private final AnalyzeLayoutsPanel analyzeLayoutsPanel = new AnalyzeLayoutsPanel();
-
- private final FlowPanel controls = new FlowPanel();
-
- private final Button find = new DebugButton(Icon.HIGHLIGHT,
- "Select a component on the page to inspect it");
- private final Button analyze = new DebugButton(Icon.ANALYZE,
- "Check layouts for potential problems");
- private final Button generateWS = new DebugButton(Icon.OPTIMIZE,
- "Show used connectors and how to optimize widgetset");
- private final Button showHierarchy = new DebugButton(Icon.HIERARCHY,
- "Show the connector hierarchy tree");
-
- private HandlerRegistration highlightModeRegistration = null;
-
- public HierarchySection() {
- controls.add(showHierarchy);
- showHierarchy.setStylePrimaryName(VDebugWindow.STYLENAME_BUTTON);
- showHierarchy.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- showHierarchy();
- }
- });
-
- controls.add(find);
- find.setStylePrimaryName(VDebugWindow.STYLENAME_BUTTON);
- find.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- toggleFind();
- }
- });
-
- controls.add(analyze);
- analyze.setStylePrimaryName(VDebugWindow.STYLENAME_BUTTON);
- analyze.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- stopFind();
- analyzeLayouts();
- }
- });
-
- controls.add(generateWS);
- generateWS.setStylePrimaryName(VDebugWindow.STYLENAME_BUTTON);
- generateWS.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- generateWidgetset();
- }
- });
-
- hierarchyPanel.addListener(new SelectConnectorListener() {
- @Override
- public void select(ServerConnector connector, Element element) {
- printState(connector, true);
- }
- });
-
- analyzeLayoutsPanel.addListener(new SelectConnectorListener() {
- @Override
- public void select(ServerConnector connector, Element element) {
- printState(connector, true);
- }
- });
-
- content.setStylePrimaryName(VDebugWindow.STYLENAME + "-hierarchy");
-
- initializeHelpPanel();
- content.setWidget(helpPanel);
- }
-
- private void initializeHelpPanel() {
- HTML info = new HTML(showHierarchy.getHTML() + " "
- + showHierarchy.getTitle() + "<br/>" + find.getHTML() + " "
- + find.getTitle() + "<br/>" + analyze.getHTML() + " "
- + analyze.getTitle() + "<br/>" + generateWS.getHTML() + " "
- + generateWS.getTitle() + "<br/>");
- info.setStyleName(VDebugWindow.STYLENAME + "-info");
- helpPanel.add(info);
- }
-
- private void showHierarchy() {
- Highlight.hideAll();
- hierarchyPanel.update();
- content.setWidget(hierarchyPanel);
- }
-
- @Override
- public DebugButton getTabButton() {
- return tabButton;
- }
-
- @Override
- public Widget getControls() {
- return controls;
- }
-
- @Override
- public Widget getContent() {
- return content;
- }
-
- @Override
- public void show() {
-
- }
-
- @Override
- public void hide() {
- stopFind();
- }
-
- private void generateWidgetset() {
- widgetsetPanel.update();
- content.setWidget(widgetsetPanel);
- }
-
- private void analyzeLayouts() {
- analyzeLayoutsPanel.update();
- content.setWidget(analyzeLayoutsPanel);
- }
-
- @Override
- public void meta(ApplicationConnection ac, ValueMap meta) {
- // show the results of analyzeLayouts
- analyzeLayoutsPanel.meta(ac, meta);
- }
-
- @Override
- public void uidl(ApplicationConnection ac, ValueMap uidl) {
- // NOP
- }
-
- private boolean isFindMode() {
- return (highlightModeRegistration != null);
- }
-
- private void toggleFind() {
- if (isFindMode()) {
- stopFind();
- } else {
- startFind();
- }
- }
-
- private void startFind() {
- Highlight.hideAll();
- if (!isFindMode()) {
- highlightModeRegistration = Event
- .addNativePreviewHandler(highlightModeHandler);
- find.addStyleDependentName(VDebugWindow.STYLENAME_ACTIVE);
- }
- }
-
- private void stopFind() {
- if (isFindMode()) {
- highlightModeRegistration.removeHandler();
- highlightModeRegistration = null;
- find.removeStyleDependentName(VDebugWindow.STYLENAME_ACTIVE);
- }
- }
-
- private void printState(ServerConnector connector, boolean serverDebug) {
- Highlight.showOnly(connector);
- if (serverDebug) {
- HierarchyPanel.showServerDebugInfo(connector);
- }
-
- infoPanel.update(connector);
- content.setWidget(infoPanel);
- }
-
- private final NativePreviewHandler highlightModeHandler = new NativePreviewHandler() {
-
- @Override
- public void onPreviewNativeEvent(NativePreviewEvent event) {
-
- if (event.getTypeInt() == Event.ONKEYDOWN
- && event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
- stopFind();
- Highlight.hideAll();
- return;
- }
- if (event.getTypeInt() == Event.ONMOUSEMOVE) {
- Highlight.hideAll();
- Element eventTarget = Util.getElementFromPoint(event
- .getNativeEvent().getClientX(), event.getNativeEvent()
- .getClientY());
- if (VDebugWindow.get().getElement().isOrHasChild(eventTarget)) {
- infoPanel.clear();
- return;
- }
-
- for (ApplicationConnection a : ApplicationConfiguration
- .getRunningApplications()) {
- ComponentConnector connector = Util.getConnectorForElement(
- a, a.getUIConnector().getWidget(), eventTarget);
- if (connector == null) {
- connector = Util.getConnectorForElement(a,
- RootPanel.get(), eventTarget);
- }
- if (connector != null) {
- printState(connector, false);
- event.cancel();
- event.consume();
- event.getNativeEvent().stopPropagation();
- return;
- }
- }
- infoPanel.clear();
- }
- if (event.getTypeInt() == Event.ONCLICK) {
- Highlight.hideAll();
- event.cancel();
- event.consume();
- event.getNativeEvent().stopPropagation();
- stopFind();
- Element eventTarget = Util.getElementFromPoint(event
- .getNativeEvent().getClientX(), event.getNativeEvent()
- .getClientY());
- for (ApplicationConnection a : ApplicationConfiguration
- .getRunningApplications()) {
- ComponentConnector connector = Util.getConnectorForElement(
- a, a.getUIConnector().getWidget(), eventTarget);
- if (connector == null) {
- connector = Util.getConnectorForElement(a,
- RootPanel.get(), eventTarget);
- }
-
- if (connector != null) {
- printState(connector, true);
- return;
- }
- }
- }
- event.cancel();
- }
-
- };
-
- }
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