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- /*
- * Copyright 2000-2018 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;
-
- import com.google.gwt.dom.client.Document;
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.SpanElement;
- import com.google.gwt.dom.client.Style;
- import com.google.gwt.dom.client.Style.Cursor;
- import com.google.gwt.dom.client.Style.Display;
- import com.google.gwt.dom.client.Style.TextAlign;
- import com.google.gwt.dom.client.Style.Unit;
- import com.google.gwt.event.dom.client.ClickEvent;
- 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.shared.HandlerManager;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.ui.ComplexPanel;
- import com.google.gwt.user.client.ui.Label;
- import com.google.gwt.user.client.ui.Widget;
-
- /**
- * @author Vaadin Ltd
- *
- * @deprecated as of 7.1. This class was mainly used by the old debug console
- * but is retained for now for backwards compatibility.
- */
- @Deprecated
- public class SimpleTree extends ComplexPanel implements HasDoubleClickHandlers {
- private Element children = Document.get().createDivElement();
- private SpanElement handle = Document.get().createSpanElement();
- private SpanElement text = Document.get().createSpanElement();
-
- private HandlerManager textDoubleClickHandlerManager;
-
- public SimpleTree() {
- setElement(Document.get().createDivElement());
- Style style = getElement().getStyle();
- style.setProperty("whiteSpace", "nowrap");
- style.setPadding(3, Unit.PX);
- style.setPaddingLeft(12, Unit.PX);
- // handle styling
- style = handle.getStyle();
- style.setDisplay(Display.NONE);
- style.setTextAlign(TextAlign.CENTER);
- style.setWidth(0.5, Unit.EM);
- style.setHeight(0.5, Unit.EM);
- style.setCursor(Cursor.POINTER);
- style.setBackgroundColor("gray");
- style.setColor("white");
- style.setPadding(4, Unit.PX);
- style.setMarginRight(3, Unit.PX);
- style.setLineHeight(0.5, Unit.EM);
- handle.setInnerHTML("+");
- getElement().appendChild(handle);
- getElement().appendChild(text);
- // children styling
- style = children.getStyle();
- style.setPaddingLeft(1.5, Unit.EM);
- style.setDisplay(Display.NONE);
-
- getElement().appendChild(children);
- addDomHandler(event -> {
- if (event.getNativeEvent().getEventTarget().cast() == handle) {
- if (children.getStyle().getDisplay().intern() == Display.NONE
- .getCssName()) {
- open(event.getNativeEvent().getAltKey());
- } else {
- close();
- }
-
- } else if (event.getNativeEvent().getEventTarget().cast() == text) {
- select(event);
- }
- }, ClickEvent.getType());
- }
-
- protected void select(ClickEvent event) {
- }
-
- public void close() {
- children.getStyle().setDisplay(Display.NONE);
- handle.setInnerHTML("+");
- }
-
- public void open(boolean recursive) {
- handle.setInnerHTML("-");
- children.getStyle().setDisplay(Display.BLOCK);
- if (recursive) {
- for (Widget w : getChildren()) {
- if (w instanceof SimpleTree) {
- SimpleTree str = (SimpleTree) w;
- str.open(true);
- }
- }
- }
- }
-
- public boolean isOpen() {
- return "-".equals(handle.getInnerHTML());
- }
-
- public String getCaption() {
- return text.getInnerText();
- }
-
- public SimpleTree(String caption) {
- this();
- setText(caption);
- }
-
- public void setText(String text) {
- this.text.setInnerText(text);
- }
-
- public void addItem(String text) {
- Label label = new Label(text);
- add(label, children);
- }
-
- @Override
- public void add(Widget child) {
- add(child, children);
- }
-
- /**
- * {@inheritDoc}
- *
- * @deprecated As of 7.2, call and override {@link #add(Widget, Element)}
- * instead.
- */
- @Override
- @Deprecated
- protected void add(Widget child,
- com.google.gwt.user.client.Element container) {
- super.add(child, container);
- handle.getStyle().setDisplay(Display.INLINE_BLOCK);
- getElement().getStyle().setPaddingLeft(3, Unit.PX);
- }
-
- /**
- * {@inheritDoc}
- *
- * @since 7.2
- */
- @Override
- protected void add(Widget child, Element container) {
- add(child, DOM.asOld(container));
- }
-
- /**
- * {@inheritDoc} Events are not fired when double clicking child widgets.
- */
- @Override
- public HandlerRegistration addDoubleClickHandler(
- DoubleClickHandler handler) {
- if (textDoubleClickHandlerManager == null) {
- textDoubleClickHandlerManager = new HandlerManager(this);
- addDomHandler(event -> {
- if (event.getNativeEvent().getEventTarget().cast() == text) {
- textDoubleClickHandlerManager.fireEvent(event);
- }
- }, DoubleClickEvent.getType());
- }
- return textDoubleClickHandlerManager
- .addHandler(DoubleClickEvent.getType(), handler);
- }
-
- }
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