/*
* Copyright 2011 JBoss Inc
*
* 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 org.jbpm.formbuilder.client.form.items;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jbpm.formapi.client.FormBuilderException;
import org.jbpm.formapi.client.effect.FBFormEffect;
import org.jbpm.formapi.client.form.FBFormItem;
import org.jbpm.formapi.client.form.HasSourceReference;
import org.jbpm.formapi.client.form.LayoutFormItem;
import org.jbpm.formapi.client.form.PhantomPanel;
import org.jbpm.formapi.shared.api.FormItemRepresentation;
import org.jbpm.formapi.shared.api.items.CSSPanelRepresentation;
import org.jbpm.formbuilder.client.FormBuilderGlobals;
import org.jbpm.formbuilder.client.messages.I18NConstants;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.LinkElement;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Widget;
import com.gwtent.reflection.client.Reflectable;
/**
* UI form layout item. Represents a css based layout
*/
@Reflectable
public class CSSLayoutFormItem extends LayoutFormItem implements HasSourceReference {
private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n();
private FlowPanel panel = new FlowPanel() {
@Override
public boolean remove(Widget w) {
if (w instanceof FBFormItem) {
removeItem((FBFormItem) w);
}
return super.remove(w);
}
};
private LinkElement link = Document.get().createLinkElement();
private String cssStylesheetUrl;
private String cssClassName;
private String id;
public CSSLayoutFormItem() {
this(new ArrayList<FBFormEffect>());
}
public CSSLayoutFormItem(List<FBFormEffect> formEffects) {
super(formEffects);
setSize("190px", "90px");
panel.setSize(getWidth(), getHeight());
this.link.setRel("Stylesheet");
this.link.setType("text/css");
this.link.setMedia("screen");
panel.getElement().insertFirst(this.link);
add(panel);
}
@Override
public Map<String, Object> getFormItemPropertiesMap() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("cssStylesheetUrl", this.cssStylesheetUrl);
map.put("cssClassName", this.cssClassName);
map.put("id", this.id);
map.put("width", getWidth());
map.put("height", getHeight());
return map;
}
@Override
public void saveValues(Map<String, Object> map) {
this.cssStylesheetUrl = extractString(map.get("cssStylesheetUrl"));
this.cssClassName = extractString(map.get("cssClassName"));
this.id = extractString(map.get("id"));
setHeight(extractString(map.get("height")));
setWidth(extractString(map.get("width")));
populate(this.panel, this.link);
}
private void populate(FlowPanel panel, LinkElement style) {
if (getHeight() != null) {
panel.setHeight(getHeight());
}
if (this.cssClassName != null) {
panel.setStyleName(cssClassName);
}
if (getWidth() != null) {
panel.setWidth(getWidth());
}
if (this.cssStylesheetUrl != null) {
style.setHref(this.cssStylesheetUrl);
}
}
@Override
public FormItemRepresentation getRepresentation() {
CSSPanelRepresentation rep = super.getRepresentation(new CSSPanelRepresentation());
List<FormItemRepresentation> items = new ArrayList<FormItemRepresentation>();
for (FBFormItem item : getItems()) {
items.add(item.getRepresentation());
}
rep.setItems(items);
rep.setId(this.id);
rep.setCssClassName(this.cssClassName);
rep.setCssStylesheetUrl(this.cssStylesheetUrl);
return rep;
}
@Override
public void populate(FormItemRepresentation rep) throws FormBuilderException {
if (!(rep instanceof CSSPanelRepresentation)) {
throw new FormBuilderException(i18n.RepNotOfType(rep.getClass().getName(), "CSSPanelRepresentation"));
}
super.populate(rep);
CSSPanelRepresentation crep = (CSSPanelRepresentation) rep;
this.cssClassName = crep.getCssClassName();
this.id = crep.getId();
this.cssStylesheetUrl = crep.getCssStylesheetUrl();
super.getItems().clear();
populate(this.panel, this.link);
if (crep.getItems() != null) {
for (FormItemRepresentation item : crep.getItems()) {
add(super.createItem(item));
}
}
}
@Override
public FBFormItem cloneItem() {
CSSLayoutFormItem clone = super.cloneItem(new CSSLayoutFormItem(getFormEffects()));
clone.cssClassName = this.cssClassName;
clone.cssStylesheetUrl = this.cssStylesheetUrl;
clone.id = this.id;
clone.populate(clone.panel, clone.link);
for (FBFormItem item : getItems()) {
clone.add(item.cloneItem());
}
return clone;
}
@Override
public Widget cloneDisplay(Map<String, Object> data) {
FlowPanel fp = new FlowPanel();
fp.getElement().insertFirst(this.link.cloneNode(false));
populate(fp, this.link);
super.populateActions(fp.getElement());
for (FBFormItem item : getItems()) {
fp.add(item.cloneDisplay(data));
}
return fp;
}
@Override
public HasWidgets getPanel() {
return this.panel;
}
@Override
public boolean add(FBFormItem item) {
panel.add(item);
return super.add(item);
}
@Override
public void add(PhantomPanel phantom, int x, int y) {
this.panel.add(phantom);
}
@Override
public void replacePhantom(FBFormItem item) {
PhantomPanel phantom = null;
for (Widget widget : this.panel) {
if (widget instanceof PhantomPanel) {
phantom = (PhantomPanel) widget;
break;
}
}
if (phantom == null) {
add(item);
} else {
int index = this.panel.getWidgetIndex(phantom);
this.panel.remove(phantom);
super.insert(index, item);
}
}
@Override
public void setSourceReference(String sourceReference) {
this.cssStylesheetUrl = sourceReference;
this.link.setHref(this.cssStylesheetUrl);
}
@Override
public String getSourceReference() {
return this.cssStylesheetUrl;
}
@Override
public List<String> getAllowedTypes() {
ArrayList<String> retval = new ArrayList<String>();
retval.add("css");
return retval;
}
}