org.icefaces.mobi.component.viewmanager.ViewManagerRenderer Maven / Gradle / Ivy
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${icefaces.product.name} MOBI Component Library
/*
* Copyright 2004-2014 ICEsoft Technologies Canada Corp.
*
* 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.icefaces.mobi.component.viewmanager;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Stack;
import java.util.logging.Logger;
import javax.faces.application.Application;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlBody;
import javax.faces.component.html.HtmlForm;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import org.icefaces.impl.event.BridgeSetup;
import org.icefaces.ace.util.HTML;
import org.icefaces.ace.util.Utils;
public class ViewManagerRenderer extends Renderer{
private static final Logger LOG = Logger.getLogger(ViewManagerRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
}
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException {
ViewManager vm = (ViewManager)uiComponent;
validate(vm, facesContext);
Stack history = vm.getHistoryStack();
if( history == null ){
vm.setHistory(new Stack());
history = vm.getHistoryStack();
}
String selected = vm.getSelected();
String formId = vm.getId() + "_form";
for(int i = 0; i < vm.getChildCount(); i++) {
UIComponent comp = (UIComponent) vm.getChildren().get(i);
if (comp.getId().equals(formId)) {
vm.getChildren().remove(i);
break;
}
}
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = vm.getClientId();
writer.startElement(HTML.DIV_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, clientId, null);
writer.writeAttribute("data-title", vm.getTitle(), null);
writer.writeAttribute("data-clientside", vm.isClientSide(), null);
String styleClass = ViewManager.STYLECLASS;
String userClass = vm.getStyleClass();
if( userClass != null )
styleClass += " " + userClass;
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, "styleClass");
String userStyle = vm.getStyle();
if( userStyle != null )
writer.writeAttribute(HTML.STYLE_ATTR, userStyle, "style");
writer.startElement(HTML.DIV_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, vm.getClientId()+"_header", null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-header mobi-vm-bar", null);
String headerStyle = vm.getHeaderStyle();
if( headerStyle != null){
writer.writeAttribute(HTML.STYLE_ATTR, headerStyle, null);
}
writer.startElement(HTML.H1_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, clientId + "_title", "pageTitle");
/*
if( selected == null || selected.length() == 0 || ViewManager.MENU_ID.equals(selected))
writer.write(vm.getTitle());
else{
writer.write(vm.getSelectedView().getTitle());
}*/
writer.endElement(HTML.H1_ELEM);
writer.startElement(HTML.ANCHOR_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, clientId+"_back", null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-back", null);
writer.writeAttribute(HTML.ONCLICK_ATTR, "ice.mobi.viewManager.goBack(event);", null);
writer.writeAttribute("data-backbutton-label", vm.getBackButtonLabel(), null);
writer.writeAttribute(HTML.STYLE_ATTR, "display:none", null);
writer.startElement("i", null);
writer.writeAttribute(HTML.CLASS_ATTR, "fa fa-chevron-left", null);
writer.endElement("i");
writer.startElement(HTML.SPAN_ELEM, null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-back-text", null);
writer.endElement(HTML.SPAN_ELEM);
writer.endElement(HTML.ANCHOR_ELEM);
writer.endElement(HTML.DIV_ELEM);
writer.startElement(HTML.DIV_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, clientId + "_menu", null);
writer.writeAttribute("data-view", ViewManager.MENU_ID, null);
writer.writeAttribute("data-title", vm.getTitle(), null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-view mobi-vm-menu", null);
writer.startElement(HTML.DIV_ELEM, null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-view-content", null);
writer.startElement(HTML.UL_ELEM, null);
List children = vm.getChildren();
for( UIComponent child : children ){
View view = (View)child;
if( view.isIncludeInMenu() ){
String divider = view.getDivider();
if( divider != null ){
writer.startElement(HTML.LI_ELEM, null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-menu-divider mobi-vm-bar", null);
writer.write(divider);
writer.endElement(HTML.LI_ELEM);
}
writer.startElement(HTML.LI_ELEM, null);
writer.startElement(HTML.ANCHOR_ELEM, null);
writer.writeAttribute(HTML.ONCLICK_ATTR, "ice.mobi.viewManager.showView('" + view.getId() + "', event);", null);
if( view.getMenuIcon() != null ){
writer.startElement("i", null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-menu-icon fa fa-" + view.getMenuIcon(), null);
writer.endElement("i");
}
writer.write(view.getTitle());
writer.endElement(HTML.ANCHOR_ELEM);
writer.endElement(HTML.LI_ELEM);
}
}
writer.endElement(HTML.UL_ELEM);
writer.endElement(HTML.DIV_ELEM);
writer.endElement(HTML.DIV_ELEM);
}
public boolean getRendersChildren() {
return true;
}
public void encodeChildren(FacesContext facesContext, UIComponent uiComponent) throws IOException {
Utils.renderChildren(facesContext, uiComponent);
}
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
ViewManager vm = (ViewManager)uiComponent;
writer.startElement(HTML.DIV_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, "mobiImageCache", null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-vm-image-cache", null);
writer.endElement(HTML.DIV_ELEM);
writer.startElement(HTML.SPAN_ELEM, null);
writer.writeAttribute(HTML.ID_ATTR, uiComponent.getClientId() + "_controller", null);
writer.writeAttribute(HTML.CLASS_ATTR, "mobi-hidden", null);
createAndRenderProxyForm(vm, facesContext, writer);
writer.startElement(HTML.STYLE_ATTR, null);
writer.writeAttribute("type", "text/css", null);
writer.write(".mobi-vm-bar{" + vm.getBarStyle() + "}");
writer.endElement(HTML.STYLE_ATTR);
writer.startElement(HTML.SCRIPT_ELEM, null);
String state = "ice.mobi.viewManager.setState('" + vm.getTransitionType()
+ "','" + vm.getId() + "_form'," + vm.getHistoryAsJSON() + ");";
writer.write(state);
writer.endElement(HTML.SCRIPT_ELEM);
writer.endElement(HTML.SPAN_ELEM);
writer.endElement(HTML.DIV_ELEM);
}
private void createAndRenderProxyForm(ViewManager vm, FacesContext context, ResponseWriter writer)
throws IOException{
Application application = context.getApplication();
HtmlForm form = (HtmlForm)application.createComponent(HtmlForm.COMPONENT_TYPE);
String formId = vm.getId() + "_form";
form.setId(formId);
//form.setTransient(true);
vm.getChildren().add(form);
form.encodeBegin(context);
String viewId = BridgeSetup.getViewID(context.getExternalContext());
if( viewId != null ){
writer.startElement(HTML.INPUT_ELEM, null);
writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_HIDDEN, null);
writer.writeAttribute(HTML.NAME_ATTR, "ice.view", null);
writer.writeAttribute(HTML.VALUE_ATTR, viewId, null);
writer.writeAttribute(HTML.AUTOCOMPLETE_ATTR, "off", null);
writer.endElement(HTML.INPUT_ELEM);
}
writer.startElement(HTML.INPUT_ELEM, null);
writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_HIDDEN, null);
writer.writeAttribute(HTML.ID_ATTR, "mobi_vm_selected", null);
writer.writeAttribute(HTML.NAME_ATTR, vm.getClientId()+"_selected", null);
writer.writeAttribute(HTML.VALUE_ATTR, vm.getSelected(), null);
writer.writeAttribute(HTML.AUTOCOMPLETE_ATTR, "off", null);
writer.endElement(HTML.INPUT_ELEM);
form.encodeEnd(context);
}
private void validate(ViewManager vm, FacesContext context){
//parent must be the compoent
if( ! (vm.getParent() instanceof HtmlBody)){
throw new IllegalStateException("The viewManager component must be the direct child of the tag");
}
if( countViewManagers(context.getViewRoot()) > 1){
throw new IllegalStateException("Only one viewManager is allowed on a page");
}
}
private int countViewManagers(UIComponent uic){
int count = 0;
if( uic instanceof ViewManager ){
count++;
}
Iterator iter = uic.getFacetsAndChildren();
while( iter.hasNext() ){
UIComponent child = iter.next();
count += countViewManagers(child);
}
return count;
}
}
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