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- /*
- @ITMillApache2LicenseForJavaFiles@
- */
-
- package com.vaadin.terminal.gwt.client.ui;
-
- import com.google.gwt.dom.client.Document;
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.NodeList;
- import com.google.gwt.dom.client.PreElement;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.Event;
- import com.google.gwt.user.client.ui.HTML;
- import com.vaadin.terminal.gwt.client.ApplicationConnection;
- import com.vaadin.terminal.gwt.client.VTooltip;
- import com.vaadin.terminal.gwt.client.Paintable;
- import com.vaadin.terminal.gwt.client.UIDL;
- import com.vaadin.terminal.gwt.client.Util;
-
- public class VLabel extends HTML implements Paintable {
-
- public static final String CLASSNAME = "i-label";
- private static final String CLASSNAME_UNDEFINED_WIDTH = "i-label-undef-w";
-
- private ApplicationConnection client;
- private int verticalPaddingBorder = 0;
- private int horizontalPaddingBorder = 0;
-
- public VLabel() {
- super();
- setStyleName(CLASSNAME);
- sinkEvents(VTooltip.TOOLTIP_EVENTS);
- }
-
- public VLabel(String text) {
- super(text);
- setStyleName(CLASSNAME);
- sinkEvents(VTooltip.TOOLTIP_EVENTS);
- }
-
- @Override
- public void onBrowserEvent(Event event) {
- super.onBrowserEvent(event);
- if (event.getTypeInt() == Event.ONLOAD) {
- Util.notifyParentOfSizeChange(this, true);
- event.cancelBubble(true);
- return;
- }
- if (client != null) {
- client.handleTooltipEvent(event, this);
- }
- }
-
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
-
- if (client.updateComponent(this, uidl, true)) {
- return;
- }
-
- this.client = client;
-
- boolean sinkOnloads = false;
-
- final String mode = uidl.getStringAttribute("mode");
- if (mode == null || "text".equals(mode)) {
- setText(uidl.getChildString(0));
- } else if ("pre".equals(mode)) {
- PreElement preElement = Document.get().createPreElement();
- preElement.setInnerText(uidl.getChildUIDL(0).getChildString(0));
- // clear existing content
- setHTML("");
- // add preformatted text to dom
- getElement().appendChild(preElement);
- } else if ("uidl".equals(mode)) {
- setHTML(uidl.getChildrenAsXML());
- } else if ("xhtml".equals(mode)) {
- UIDL content = uidl.getChildUIDL(0).getChildUIDL(0);
- if (content.getChildCount() > 0) {
- setHTML(content.getChildString(0));
- } else {
- setHTML("");
- }
- sinkOnloads = true;
- } else if ("xml".equals(mode)) {
- setHTML(uidl.getChildUIDL(0).getChildString(0));
- } else if ("raw".equals(mode)) {
- setHTML(uidl.getChildUIDL(0).getChildString(0));
- sinkOnloads = true;
- } else {
- setText("");
- }
- if (sinkOnloads) {
- sinkOnloadsForContainedImgs();
- }
- }
-
- private void sinkOnloadsForContainedImgs() {
- NodeList<Element> images = getElement().getElementsByTagName("img");
- for (int i = 0; i < images.getLength(); i++) {
- Element img = images.getItem(i);
- DOM.sinkEvents((com.google.gwt.user.client.Element) img,
- Event.ONLOAD);
- }
-
- }
-
- @Override
- public void setHeight(String height) {
- verticalPaddingBorder = Util.setHeightExcludingPaddingAndBorder(this,
- height, verticalPaddingBorder);
- }
-
- @Override
- public void setWidth(String width) {
- horizontalPaddingBorder = Util.setWidthExcludingPaddingAndBorder(this,
- width, horizontalPaddingBorder);
- if (width == null || width.equals("")) {
- setStyleName(getElement(), CLASSNAME_UNDEFINED_WIDTH, true);
- } else {
- setStyleName(getElement(), CLASSNAME_UNDEFINED_WIDTH, false);
- }
- }
- }
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