123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164 |
- /*
- * Copyright 2000-2016 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.ArrayList;
- import java.util.List;
-
- import com.google.gwt.event.dom.client.ClickEvent;
- import com.google.gwt.event.dom.client.HasDoubleClickHandlers;
- import com.google.gwt.user.client.ui.FlowPanel;
- import com.google.gwt.user.client.ui.HasWidgets;
- import com.google.gwt.user.client.ui.Label;
- 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.FastStringSet;
- import com.vaadin.client.ServerConnector;
- import com.vaadin.client.SimpleTree;
- import com.vaadin.client.Util;
-
- /**
- * Hierarchy view panel of the debug window. This class can be used in various
- * debug window sections to show the current connector hierarchy.
- *
- * @since 7.1.4
- */
- public class HierarchyPanel extends FlowPanel {
-
- // TODO separate click listeners for simple selection and doubleclick
- private List<SelectConnectorListener> listeners = new ArrayList<>();
-
- public void update() {
- // Try to keep track of currently open nodes and reopen them
- FastStringSet openNodes = FastStringSet.create();
- for (Widget widget : this) {
- collectOpenNodes(widget, openNodes);
- }
-
- clear();
-
- SimplePanel trees = new SimplePanel();
-
- for (ApplicationConnection application : ApplicationConfiguration
- .getRunningApplications()) {
- ServerConnector uiConnector = application.getUIConnector();
- Widget connectorTree = buildConnectorTree(uiConnector, openNodes);
-
- trees.add(connectorTree);
- }
-
- add(trees);
- }
-
- /**
- * Adds the captions of all open (non-leaf) nodes in the hierarchy tree
- * recursively.
- *
- * @param widget
- * the widget in which to search for open nodes (if SimpleTree)
- * @param openNodes
- * the set in which open nodes should be added
- */
- private void collectOpenNodes(Widget widget, FastStringSet openNodes) {
- if (widget instanceof SimpleTree) {
- SimpleTree tree = (SimpleTree) widget;
- if (tree.isOpen()) {
- openNodes.add(tree.getCaption());
- } else {
- // no need to look inside closed nodes
- return;
- }
- }
- if (widget instanceof HasWidgets) {
- for (Widget child : (HasWidgets) widget) {
- collectOpenNodes(child, openNodes);
- }
- }
- }
-
- private Widget buildConnectorTree(final ServerConnector connector,
- FastStringSet openNodes) {
- 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(event -> {
- Highlight.showOnly(connector);
- showServerDebugInfo(connector);
- });
- widget = label;
- } else {
- SimpleTree tree = new SimpleTree(connectorString) {
- @Override
- protected void select(ClickEvent event) {
- super.select(event);
- Highlight.showOnly(connector);
- showServerDebugInfo(connector);
- }
- };
- for (ServerConnector child : children) {
- tree.add(buildConnectorTree(child, openNodes));
- }
- if (openNodes.contains(connectorString)) {
- tree.open(false);
- }
- widget = tree;
- }
-
- if (widget instanceof HasDoubleClickHandlers) {
- HasDoubleClickHandlers has = (HasDoubleClickHandlers) widget;
- has.addDoubleClickHandler(event -> fireSelectEvent(connector));
- }
-
- return widget;
- }
-
- public void addListener(SelectConnectorListener listener) {
- listeners.add(listener);
- }
-
- public void removeListener(SelectConnectorListener listener) {
- listeners.remove(listener);
- }
-
- private void fireSelectEvent(ServerConnector connector) {
- for (SelectConnectorListener listener : listeners) {
- listener.select(connector, null);
- }
- }
-
- /**
- * Outputs debug information on the server - usually in the console of an
- * IDE, with a clickable reference to the relevant code location.
- *
- * @since 7.1
- * @param connector
- * show debug info for this connector
- */
- static void showServerDebugInfo(ServerConnector connector) {
- if (connector != null) {
- connector.getConnection().getUIConnector()
- .showServerDebugInfo(connector);
- }
- }
-
- }
|