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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 java.util.Arrays;
- import java.util.HashSet;
- import java.util.List;
- import java.util.Set;
-
- import com.google.gwt.core.client.JsArray;
- import com.google.gwt.dom.client.Style.TextDecoration;
- import com.google.gwt.event.dom.client.ClickEvent;
- import com.google.gwt.event.dom.client.ClickHandler;
- import com.google.gwt.event.dom.client.DoubleClickEvent;
- import com.google.gwt.event.dom.client.DoubleClickHandler;
- import com.google.gwt.event.dom.client.HasDoubleClickHandlers;
- import com.google.gwt.event.dom.client.KeyCodes;
- import com.google.gwt.event.dom.client.MouseOutEvent;
- import com.google.gwt.event.dom.client.MouseOutHandler;
- import com.google.gwt.event.dom.client.MouseOverEvent;
- import com.google.gwt.event.dom.client.MouseOverHandler;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.google.gwt.user.client.Element;
- 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.Label;
- import com.google.gwt.user.client.ui.RootPanel;
- import com.google.gwt.user.client.ui.SimplePanel;
- import com.google.gwt.user.client.ui.VerticalPanel;
- 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.ComputedStyle;
- import com.vaadin.client.ConnectorMap;
- import com.vaadin.client.JsArrayObject;
- import com.vaadin.client.ServerConnector;
- import com.vaadin.client.SimpleTree;
- import com.vaadin.client.Util;
- import com.vaadin.client.VConsole;
- import com.vaadin.client.ValueMap;
- import com.vaadin.client.metadata.NoDataException;
- import com.vaadin.client.metadata.Property;
- import com.vaadin.client.ui.AbstractConnector;
- import com.vaadin.client.ui.UnknownComponentConnector;
- import com.vaadin.shared.AbstractComponentState;
- import com.vaadin.shared.communication.SharedState;
-
- /**
- * 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 FlowPanel content = new FlowPanel();
- 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();
- }
- });
-
- content.setStylePrimaryName(VDebugWindow.STYLENAME + "-hierarchy");
-
- 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");
- content.add(info);
- }
-
- private void showHierarchy() {
- Highlight.hideAll();
- content.clear();
-
- // TODO Clearing and rebuilding the contents is not optimal for UX as
- // any previous expansions are lost.
- SimplePanel trees = new SimplePanel();
-
- for (ApplicationConnection application : ApplicationConfiguration
- .getRunningApplications()) {
- ServerConnector uiConnector = application.getUIConnector();
- Widget connectorTree = buildConnectorTree(uiConnector);
-
- trees.add(connectorTree);
- }
-
- content.add(trees);
- }
-
- private Widget buildConnectorTree(final ServerConnector connector) {
- String connectorString = Util.getConnectorString(connector);
-
- List<ServerConnector> children = connector.getChildren();
-
- Widget widget;
- if (children == null || children.isEmpty()) {
- // Leaf node, just add a label
- Label label = new Label(connectorString);
- label.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- Highlight.showOnly(connector);
- Highlight.showServerDebugInfo(connector);
- }
- });
- widget = label;
- } else {
- SimpleTree tree = new SimpleTree(connectorString) {
- @Override
- protected void select(ClickEvent event) {
- super.select(event);
- Highlight.showOnly(connector);
- Highlight.showServerDebugInfo(connector);
- }
- };
- for (ServerConnector child : children) {
- tree.add(buildConnectorTree(child));
- }
- widget = tree;
- }
-
- if (widget instanceof HasDoubleClickHandlers) {
- HasDoubleClickHandlers has = (HasDoubleClickHandlers) widget;
- has.addDoubleClickHandler(new DoubleClickHandler() {
- @Override
- public void onDoubleClick(DoubleClickEvent event) {
- printState(connector, true);
- }
- });
- }
-
- return widget;
- }
-
- @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() {
-
- content.clear();
- HTML h = new HTML("Getting used connectors");
- content.add(h);
-
- String s = "";
- for (ApplicationConnection ac : ApplicationConfiguration
- .getRunningApplications()) {
- ApplicationConfiguration conf = ac.getConfiguration();
- s += "<h1>Used connectors for " + conf.getServiceUrl() + "</h1>";
-
- for (String connectorName : getUsedConnectorNames(conf)) {
- s += connectorName + "<br/>";
- }
-
- s += "<h2>To make an optimized widgetset based on these connectors, do:</h2>";
- s += "<h3>1. Add to your widgetset.gwt.xml file:</h2>";
- s += "<textarea rows=\"3\" style=\"width:90%\">";
- s += "<generate-with class=\"OptimizedConnectorBundleLoaderFactory\">\n";
- s += " <when-type-assignable class=\"com.vaadin.client.metadata.ConnectorBundleLoader\" />\n";
- s += "</generate-with>";
- s += "</textarea>";
-
- s += "<h3>2. Add the following java file to your project:</h2>";
- s += "<textarea rows=\"5\" style=\"width:90%\">";
- s += generateOptimizedWidgetSet(getUsedConnectorNames(conf));
- s += "</textarea>";
- s += "<h3>3. Recompile widgetset</h2>";
-
- }
-
- h.setHTML(s);
- }
-
- private Set<String> getUsedConnectorNames(
- ApplicationConfiguration configuration) {
- int tag = 0;
- Set<String> usedConnectors = new HashSet<String>();
- while (true) {
- String serverSideClass = configuration
- .getServerSideClassNameForTag(tag);
- if (serverSideClass == null) {
- break;
- }
- Class<? extends ServerConnector> connectorClass = configuration
- .getConnectorClassByEncodedTag(tag);
- if (connectorClass == null) {
- break;
- }
-
- if (connectorClass != UnknownComponentConnector.class) {
- usedConnectors.add(connectorClass.getName());
- }
- tag++;
- if (tag > 10000) {
- // Sanity check
- VConsole.error("Search for used connector classes was forcefully terminated");
- break;
- }
- }
- return usedConnectors;
- }
-
- public String generateOptimizedWidgetSet(Set<String> usedConnectors) {
- String s = "import java.util.HashSet;\n";
- s += "import java.util.Set;\n";
-
- s += "import com.google.gwt.core.ext.typeinfo.JClassType;\n";
- s += "import com.vaadin.client.ui.ui.UIConnector;\n";
- s += "import com.vaadin.server.widgetsetutils.ConnectorBundleLoaderFactory;\n";
- s += "import com.vaadin.shared.ui.Connect.LoadStyle;\n\n";
-
- s += "public class OptimizedConnectorBundleLoaderFactory extends\n";
- s += " ConnectorBundleLoaderFactory {\n";
- s += " private Set<String> eagerConnectors = new HashSet<String>();\n";
- s += " {\n";
- for (String c : usedConnectors) {
- s += " eagerConnectors.add(" + c
- + ".class.getName());\n";
- }
- s += " }\n";
- s += "\n";
- s += " @Override\n";
- s += " protected LoadStyle getLoadStyle(JClassType connectorType) {\n";
- s += " if (eagerConnectors.contains(connectorType.getQualifiedBinaryName())) {\n";
- s += " return LoadStyle.EAGER;\n";
- s += " } else {\n";
- s += " // Loads all other connectors immediately after the initial view has\n";
- s += " // been rendered\n";
- s += " return LoadStyle.DEFERRED;\n";
- s += " }\n";
- s += " }\n";
- s += "}\n";
-
- return s;
- }
-
- private void analyzeLayouts() {
- content.clear();
- content.add(new Label("Analyzing layouts..."));
- List<ApplicationConnection> runningApplications = ApplicationConfiguration
- .getRunningApplications();
- for (ApplicationConnection applicationConnection : runningApplications) {
- applicationConnection.analyzeLayouts();
- }
- }
-
- @Override
- public void meta(ApplicationConnection ac, ValueMap meta) {
- content.clear();
- JsArray<ValueMap> valueMapArray = meta
- .getJSValueMapArray("invalidLayouts");
- int size = valueMapArray.length();
-
- if (size > 0) {
- SimpleTree root = new SimpleTree("Layouts analyzed, " + size
- + " top level problems");
- for (int i = 0; i < size; i++) {
- printLayoutError(ac, valueMapArray.get(i), root);
- }
- root.open(false);
- content.add(root);
- } else {
- content.add(new Label("Layouts analyzed, no top level problems"));
- }
-
- Set<ComponentConnector> zeroHeightComponents = new HashSet<ComponentConnector>();
- Set<ComponentConnector> zeroWidthComponents = new HashSet<ComponentConnector>();
- findZeroSizeComponents(zeroHeightComponents, zeroWidthComponents,
- ac.getUIConnector());
- if (zeroHeightComponents.size() > 0 || zeroWidthComponents.size() > 0) {
- content.add(new HTML("<h4> Client side notifications</h4>"
- + " <em>The following relative sized components were "
- + "rendered to a zero size container on the client side."
- + " Note that these are not necessarily invalid "
- + "states, but reported here as they might be.</em>"));
- if (zeroHeightComponents.size() > 0) {
- content.add(new HTML(
- "<p><strong>Vertically zero size:</strong></p>"));
- printClientSideDetectedIssues(zeroHeightComponents, ac);
- }
- if (zeroWidthComponents.size() > 0) {
- content.add(new HTML(
- "<p><strong>Horizontally zero size:</strong></p>"));
- printClientSideDetectedIssues(zeroWidthComponents, ac);
- }
- }
-
- }
-
- private void printClientSideDetectedIssues(
- Set<ComponentConnector> zeroSized, ApplicationConnection ac) {
-
- // keep track of already highlighted parents
- HashSet<String> parents = new HashSet<String>();
-
- for (final ComponentConnector connector : zeroSized) {
- final ServerConnector parent = connector.getParent();
- final String parentId = parent.getConnectorId();
-
- final Label errorDetails = new Label(Util.getSimpleName(connector)
- + "[" + connector.getConnectorId() + "]" + " inside "
- + Util.getSimpleName(parent));
-
- if (parent instanceof ComponentConnector) {
- final ComponentConnector parentConnector = (ComponentConnector) parent;
- if (!parents.contains(parentId)) {
- parents.add(parentId);
- Highlight.show(parentConnector, "yellow");
- }
-
- errorDetails.addMouseOverHandler(new MouseOverHandler() {
- @Override
- public void onMouseOver(MouseOverEvent event) {
- Highlight.hideAll();
- Highlight.show(parentConnector, "yellow");
- Highlight.show(connector);
- errorDetails.getElement().getStyle()
- .setTextDecoration(TextDecoration.UNDERLINE);
- }
- });
- errorDetails.addMouseOutHandler(new MouseOutHandler() {
- @Override
- public void onMouseOut(MouseOutEvent event) {
- Highlight.hideAll();
- errorDetails.getElement().getStyle()
- .setTextDecoration(TextDecoration.NONE);
- }
- });
- errorDetails.addClickHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- printState(connector, true);
- }
- });
-
- }
-
- Highlight.show(connector);
- content.add(errorDetails);
-
- }
- }
-
- private void printLayoutError(ApplicationConnection ac, ValueMap valueMap,
- SimpleTree root) {
- final String pid = valueMap.getString("id");
-
- // find connector
- final ComponentConnector connector = (ComponentConnector) ConnectorMap
- .get(ac).getConnector(pid);
-
- if (connector == null) {
- root.add(new SimpleTree("[" + pid + "] NOT FOUND"));
- return;
- }
-
- Highlight.show(connector);
-
- final SimpleTree errorNode = new SimpleTree(
- Util.getSimpleName(connector) + " id: " + pid);
- errorNode.addDomHandler(new MouseOverHandler() {
- @Override
- public void onMouseOver(MouseOverEvent event) {
- Highlight.showOnly(connector);
- ((Widget) event.getSource()).getElement().getStyle()
- .setTextDecoration(TextDecoration.UNDERLINE);
- }
- }, MouseOverEvent.getType());
- errorNode.addDomHandler(new MouseOutHandler() {
- @Override
- public void onMouseOut(MouseOutEvent event) {
- Highlight.hideAll();
- ((Widget) event.getSource()).getElement().getStyle()
- .setTextDecoration(TextDecoration.NONE);
- }
- }, MouseOutEvent.getType());
-
- errorNode.addDomHandler(new ClickHandler() {
- @Override
- public void onClick(ClickEvent event) {
- if (event.getNativeEvent().getEventTarget().cast() == errorNode
- .getElement().getChild(1).cast()) {
- printState(connector, true);
- }
- }
- }, ClickEvent.getType());
-
- VerticalPanel errorDetails = new VerticalPanel();
-
- if (valueMap.containsKey("heightMsg")) {
- errorDetails.add(new Label("Height problem: "
- + valueMap.getString("heightMsg")));
- }
- if (valueMap.containsKey("widthMsg")) {
- errorDetails.add(new Label("Width problem: "
- + valueMap.getString("widthMsg")));
- }
- if (errorDetails.getWidgetCount() > 0) {
- errorNode.add(errorDetails);
- }
- if (valueMap.containsKey("subErrors")) {
- HTML l = new HTML(
- "<em>Expand this node to show problems that may be dependent on this problem.</em>");
- errorDetails.add(l);
- JsArray<ValueMap> suberrors = valueMap
- .getJSValueMapArray("subErrors");
- for (int i = 0; i < suberrors.length(); i++) {
- ValueMap value = suberrors.get(i);
- printLayoutError(ac, value, errorNode);
- }
-
- }
- root.add(errorNode);
- }
-
- private void findZeroSizeComponents(
- Set<ComponentConnector> zeroHeightComponents,
- Set<ComponentConnector> zeroWidthComponents,
- ComponentConnector connector) {
- Widget widget = connector.getWidget();
- ComputedStyle computedStyle = new ComputedStyle(widget.getElement());
- if (computedStyle.getIntProperty("height") == 0) {
- zeroHeightComponents.add(connector);
- }
- if (computedStyle.getIntProperty("width") == 0) {
- zeroWidthComponents.add(connector);
- }
- List<ServerConnector> children = connector.getChildren();
- for (ServerConnector serverConnector : children) {
- if (serverConnector instanceof ComponentConnector) {
- findZeroSizeComponents(zeroHeightComponents,
- zeroWidthComponents,
- (ComponentConnector) serverConnector);
- }
- }
- }
-
- @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) {
- Highlight.showServerDebugInfo(connector);
- }
-
- SharedState state = connector.getState();
-
- Set<String> ignoreProperties = new HashSet<String>();
- ignoreProperties.add("id");
-
- String html = getRowHTML("Id", connector.getConnectorId());
- html += getRowHTML("Connector", Util.getSimpleName(connector));
-
- if (connector instanceof ComponentConnector) {
- ComponentConnector component = (ComponentConnector) connector;
-
- ignoreProperties.addAll(Arrays.asList("caption", "description",
- "width", "height"));
-
- AbstractComponentState componentState = component.getState();
-
- html += getRowHTML("Widget",
- Util.getSimpleName(component.getWidget()));
- html += getRowHTML("Caption", componentState.caption);
- html += getRowHTML("Description", componentState.description);
- html += getRowHTML("Width", componentState.width + " (actual: "
- + component.getWidget().getOffsetWidth() + "px)");
- html += getRowHTML("Height", componentState.height + " (actual: "
- + component.getWidget().getOffsetHeight() + "px)");
- }
-
- try {
- JsArrayObject<Property> properties = AbstractConnector
- .getStateType(connector).getPropertiesAsArray();
- for (int i = 0; i < properties.size(); i++) {
- Property property = properties.get(i);
- String name = property.getName();
- if (!ignoreProperties.contains(name)) {
- html += getRowHTML(property.getDisplayName(),
- property.getValue(state));
- }
- }
- } catch (NoDataException e) {
- html += "<div>Could not read state, error has been logged to the console</div>";
- VConsole.error(e);
- }
-
- content.clear();
- content.add(new HTML(html));
- }
-
- private String getRowHTML(String caption, Object value) {
- return "<div class=\"" + VDebugWindow.STYLENAME
- + "-row\"><span class=\"caption\">" + caption
- + "</span><span class=\"value\">"
- + Util.escapeHTML(String.valueOf(value)) + "</span></div>";
- }
-
- 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)) {
- content.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;
- }
- }
- content.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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