/*
* 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.ui;
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.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.HTML;
import com.vaadin.client.Util;
import com.vaadin.shared.ui.BorderStyle;
public class VLink extends HTML implements ClickHandler {
public static final String CLASSNAME = "v-link";
@Deprecated
protected static final BorderStyle BORDER_STYLE_DEFAULT = BorderStyle.DEFAULT;
@Deprecated
protected static final BorderStyle BORDER_STYLE_MINIMAL = BorderStyle.MINIMAL;
@Deprecated
protected static final BorderStyle BORDER_STYLE_NONE = BorderStyle.NONE;
/** For internal use only. May be removed or replaced in the future. */
public String src;
/** For internal use only. May be removed or replaced in the future. */
public String target;
/** For internal use only. May be removed or replaced in the future. */
public BorderStyle borderStyle = BorderStyle.DEFAULT;
/** For internal use only. May be removed or replaced in the future. */
public boolean enabled;
/** For internal use only. May be removed or replaced in the future. */
public int targetWidth;
/** For internal use only. May be removed or replaced in the future. */
public int targetHeight;
/** For internal use only. May be removed or replaced in the future. */
public Element errorIndicatorElement;
/** For internal use only. May be removed or replaced in the future. */
public final Element anchor = DOM.createAnchor();
/** For internal use only. May be removed or replaced in the future. */
public final Element captionElement = DOM.createSpan();
/** For internal use only. May be removed or replaced in the future. */
public Icon icon;
public VLink() {
super();
getElement().appendChild(anchor);
anchor.appendChild(captionElement);
addClickHandler(this);
setStyleName(CLASSNAME);
}
@Override
public void onClick(ClickEvent event) {
if (enabled) {
if (target == null) {
target = "_self";
}
String features;
switch (borderStyle) {
case NONE:
features = "menubar=no,location=no,status=no";
break;
case MINIMAL:
features = "menubar=yes,location=no,status=no";
break;
default:
features = "";
break;
}
if (targetWidth > 0) {
features += (features.length() > 0 ? "," : "") + "width="
+ targetWidth;
}
if (targetHeight > 0) {
features += (features.length() > 0 ? "," : "") + "height="
+ targetHeight;
}
if (features.length() > 0) {
// if 'special features' are set, use window.open(), unless
// a modifier key is held (ctrl to open in new tab etc)
Event e = DOM.eventGetCurrentEvent();
if (!e.getCtrlKey() && !e.getAltKey() && !e.getShiftKey()
&& !e.getMetaKey()) {
Window.open(src, target, features);
e.preventDefault();
}
}
}
}
@Override
public void onBrowserEvent(Event event) {
final Element target = DOM.eventGetTarget(event);
if (event.getTypeInt() == Event.ONLOAD) {
Util.notifyParentOfSizeChange(this, true);
}
if (target == captionElement || target == anchor
|| (icon != null && target == icon.getElement())) {
super.onBrowserEvent(event);
}
if (!enabled) {
event.preventDefault();
}
}
}