/*
* 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.link;
import com.google.gwt.dom.client.Style.Display;
import com.google.gwt.user.client.DOM;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.AbstractComponentConnector;
import com.vaadin.client.ui.Icon;
import com.vaadin.client.ui.VLink;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.link.LinkConstants;
import com.vaadin.shared.ui.link.LinkState;
import com.vaadin.ui.Link;
@Connect(Link.class)
public class LinkConnector extends AbstractComponentConnector {
@Override
protected void init() {
super.init();
}
@Override
public LinkState getState() {
return (LinkState) super.getState();
}
@Override
public boolean delegateCaptionHandling() {
return false;
}
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
getWidget().enabled = isEnabled();
if (stateChangeEvent.hasPropertyChanged("resources")) {
getWidget().src = getResourceUrl(LinkConstants.HREF_RESOURCE);
if (getWidget().src == null) {
getWidget().anchor.removeAttribute("href");
} else {
getWidget().anchor.setAttribute("href", getWidget().src);
}
}
getWidget().target = getState().target;
if (getWidget().target == null) {
getWidget().anchor.removeAttribute("target");
} else {
getWidget().anchor.setAttribute("target", getWidget().target);
}
getWidget().borderStyle = getState().targetBorder;
getWidget().targetWidth = getState().targetWidth;
getWidget().targetHeight = getState().targetHeight;
// Set link caption
getWidget().captionElement.setInnerText(getState().caption);
// handle error
if (null != getState().errorMessage) {
if (getWidget().errorIndicatorElement == null) {
getWidget().errorIndicatorElement = DOM.createDiv();
DOM.setElementProperty(getWidget().errorIndicatorElement,
"className", "v-errorindicator");
}
DOM.insertChild(getWidget().getElement(),
getWidget().errorIndicatorElement, 0);
} else if (getWidget().errorIndicatorElement != null) {
getWidget().errorIndicatorElement.getStyle().setDisplay(
Display.NONE);
}
if (getWidget().icon != null) {
getWidget().anchor.removeChild(getWidget().icon.getElement());
getWidget().icon = null;
}
Icon icon = getIcon();
if (icon != null) {
getWidget().icon = icon;
getWidget().anchor.insertBefore(icon.getElement(),
getWidget().captionElement);
}
}
@Override
public VLink getWidget() {
return (VLink) super.getWidget();
}
}