/*
* Copyright 2009 Prime Technology.
*
* 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.primefaces.component.dnd;
import javax.faces.component.UIComponentBase;
import javax.faces.context.FacesContext;
import javax.el.ValueExpression;
import javax.el.MethodExpression;
import javax.faces.render.Renderer;
import java.io.IOException;
import org.primefaces.renderkit.PartialRenderer;
import org.primefaces.component.resource.Resource;
import javax.faces.component.UIComponent;
import javax.faces.event.ListenerFor;
import javax.faces.event.PostAddToViewEvent;
import javax.faces.event.ComponentSystemEvent;
import javax.faces.event.AbortProcessingException;
import java.util.List;
import java.util.ArrayList;
@ListenerFor(systemEventClass = PostAddToViewEvent.class)
public class Droppable extends UIComponentBase {
public static final String COMPONENT_TYPE = "org.primefaces.component.Droppable";
public static final String COMPONENT_FAMILY = "org.primefaces.component";
private static final String DEFAULT_RENDERER = "org.primefaces.component.DroppableRenderer";
private static final String OPTIMIZED_PACKAGE = "org.primefaces.component.";
protected enum PropertyKeys {
widgetVar
,forValue("for")
,disabled
,hoverStyleClass
,activeStyleClass
,onDropUpdate
,dropListener
,onDrop
,accept
,scope
,tolerance;
String toString;
PropertyKeys(String toString) {
this.toString = toString;
}
PropertyKeys() {}
public String toString() {
return ((this.toString != null) ? this.toString : super.toString());
}
}
public Droppable() {
setRendererType(DEFAULT_RENDERER);
}
public String getFamily() {
return COMPONENT_FAMILY;
}
public java.lang.String getWidgetVar() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.widgetVar, null);
}
public void setWidgetVar(java.lang.String _widgetVar) {
getStateHelper().put(PropertyKeys.widgetVar, _widgetVar);
handleAttribute("widgetVar", _widgetVar);
}
public java.lang.String getFor() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.forValue, null);
}
public void setFor(java.lang.String _for) {
getStateHelper().put(PropertyKeys.forValue, _for);
handleAttribute("forValue", _for);
}
public boolean isDisabled() {
return (java.lang.Boolean) getStateHelper().eval(PropertyKeys.disabled, false);
}
public void setDisabled(boolean _disabled) {
getStateHelper().put(PropertyKeys.disabled, _disabled);
handleAttribute("disabled", _disabled);
}
public java.lang.String getHoverStyleClass() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.hoverStyleClass, null);
}
public void setHoverStyleClass(java.lang.String _hoverStyleClass) {
getStateHelper().put(PropertyKeys.hoverStyleClass, _hoverStyleClass);
handleAttribute("hoverStyleClass", _hoverStyleClass);
}
public java.lang.String getActiveStyleClass() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.activeStyleClass, null);
}
public void setActiveStyleClass(java.lang.String _activeStyleClass) {
getStateHelper().put(PropertyKeys.activeStyleClass, _activeStyleClass);
handleAttribute("activeStyleClass", _activeStyleClass);
}
public java.lang.String getOnDropUpdate() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.onDropUpdate, null);
}
public void setOnDropUpdate(java.lang.String _onDropUpdate) {
getStateHelper().put(PropertyKeys.onDropUpdate, _onDropUpdate);
handleAttribute("onDropUpdate", _onDropUpdate);
}
public javax.el.MethodExpression getDropListener() {
return (javax.el.MethodExpression) getStateHelper().eval(PropertyKeys.dropListener, null);
}
public void setDropListener(javax.el.MethodExpression _dropListener) {
getStateHelper().put(PropertyKeys.dropListener, _dropListener);
handleAttribute("dropListener", _dropListener);
}
public java.lang.String getOnDrop() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.onDrop, null);
}
public void setOnDrop(java.lang.String _onDrop) {
getStateHelper().put(PropertyKeys.onDrop, _onDrop);
handleAttribute("onDrop", _onDrop);
}
public java.lang.String getAccept() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.accept, null);
}
public void setAccept(java.lang.String _accept) {
getStateHelper().put(PropertyKeys.accept, _accept);
handleAttribute("accept", _accept);
}
public java.lang.String getScope() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.scope, null);
}
public void setScope(java.lang.String _scope) {
getStateHelper().put(PropertyKeys.scope, _scope);
handleAttribute("scope", _scope);
}
public java.lang.String getTolerance() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.tolerance, null);
}
public void setTolerance(java.lang.String _tolerance) {
getStateHelper().put(PropertyKeys.tolerance, _tolerance);
handleAttribute("tolerance", _tolerance);
}
public void broadcast(javax.faces.event.FacesEvent event) throws javax.faces.event.AbortProcessingException {
super.broadcast(event);
FacesContext facesContext = FacesContext.getCurrentInstance();
MethodExpression me = getDropListener();
if (me != null) {
me.invoke(facesContext.getELContext(), new Object[] {event});
}
}
protected FacesContext getFacesContext() {
return FacesContext.getCurrentInstance();
}
public boolean resourceExists(FacesContext facesContext, String name) {
java.util.List<UIComponent> resources = facesContext.getViewRoot().getComponentResources(facesContext, "head");
for(UIComponent component : resources) {
String value = component.toString();
if(value != null && value.equals(name))
return true;
}
return false;
}
@Override
public void processEvent(ComponentSystemEvent event) throws AbortProcessingException {
FacesContext facesContext = getFacesContext();
javax.faces.component.UIViewRoot viewroot = facesContext.getViewRoot();
Resource resource = null;
if(!resourceExists(facesContext, "/yui/utilities/utilities.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/yui/utilities/utilities.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/jquery/jquery.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/jquery/jquery.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/jquery/plugins/ui/jquery-ui.custom.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/jquery/plugins/ui/jquery-ui.custom.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/primefaces/core/core.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/primefaces/core/core.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
if(!resourceExists(facesContext, "/primefaces/dnd/dragdrop.js")) {
resource = (Resource) facesContext.getApplication().createComponent("org.primefaces.component.Resource");
resource.setName("/primefaces/dnd/dragdrop.js");
viewroot.addComponentResource(facesContext, resource, "head");
}
}
public void handleAttribute(String name, Object value) {
List<String> setAttributes = (List<String>) this.getAttributes().get("javax.faces.component.UIComponentBase.attributesThatAreSet");
if(setAttributes == null) {
String cname = this.getClass().getName();
if(cname != null && cname.startsWith(OPTIMIZED_PACKAGE)) {
setAttributes = new ArrayList<String>(6);
this.getAttributes().put("javax.faces.component.UIComponentBase.attributesThatAreSet", setAttributes);
}
}
if(setAttributes != null) {
if(value == null) {
ValueExpression ve = getValueExpression(name);
if(ve == null) {
setAttributes.remove(name);
} else if(!setAttributes.contains(name)) {
setAttributes.add(name);
}
}
}
}
}