org.primefaces.extensions.component.gchart.GChart Maven / Gradle / Ivy

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package org.primefaces.extensions.component.gchart;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;

import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import javax.faces.component.FacesComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.UIOutput;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.context.FacesContext;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.FacesEvent;

import com.google.gson.JsonArray;
import org.primefaces.component.api.Widget;
import org.primefaces.event.SelectEvent;
import org.primefaces.extensions.util.json.GsonConverter;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.Constants;

@ResourceDependencies({
		@ResourceDependency(library = "primefaces", name = "jquery/jquery.js"),
        @ResourceDependency(library = "primefaces", name = "jquery/jquery-plugins.js"),
		@ResourceDependency(library = "primefaces", name = "core.js"),
        @ResourceDependency(library = "primefaces-extensions", name = "primefaces-extensions.css"),
        @ResourceDependency(library = "primefaces-extensions", name = "primefaces-extensions.js")
})
public class GChart extends UIOutput implements Widget, ClientBehaviorHolder {

    public static final String COMPONENT_TYPE = "org.primefaces.extensions.component.GChart";
	public static final String COMPONENT_FAMILY = "org.primefaces.extensions.component";
    private static final String DEFAULT_RENDERER = "org.primefaces.extensions.component.GChartRenderer";
    
    static final String DEFAULT_TYPE = "select";
	private static final Collection EVENT_NAMES = Collections.unmodifiableCollection(Arrays.asList(DEFAULT_TYPE));

    protected static enum PropertyKeys {
        widgetVar,
        width,
        height,
        title;
    }

    public GChart(){
        setRendererType(DEFAULT_RENDERER);
    }

    @Override
	public String getFamily() {
		return COMPONENT_FAMILY;
	}

	@Override
	public Collection getEventNames() {
		return EVENT_NAMES;
	}

	@Override
	public String getDefaultEventName() {
		return DEFAULT_TYPE;
	}

	public String getWidgetVar() {
		return (String) getStateHelper().eval(PropertyKeys.widgetVar, null);
	}

	public void setWidgetVar(String _widgetVar) {
		getStateHelper().put(PropertyKeys.widgetVar, _widgetVar);
	}
	
	public Integer getWidth() {
		return (Integer) this.getStateHelper().eval(PropertyKeys.width, null);
	}

	public void setWidth(Integer width) {
		this.getStateHelper().put(PropertyKeys.width, width);
	}

	public Integer getHeight() {
		return (Integer) this.getStateHelper().eval(PropertyKeys.height, null);
	}

	public void setHeight(Integer width) {
		this.getStateHelper().put(PropertyKeys.height, width);
	}
	
	public String getTitle() {
		return (String) getStateHelper().eval(PropertyKeys.title, null);
	}

	public void setTitle(String title) {
		getStateHelper().put(PropertyKeys.title, title);
	}

    @Override
	public String resolveWidgetVar() {
        return ComponentUtils.resolveWidgetVar(getFacesContext(), this);
	}
	
	@Override
	public void queueEvent(FacesEvent event) {
		
		FacesContext context = getFacesContext();
		if(isRequestSource(context) && event instanceof AjaxBehaviorEvent) {
           Map params = context.getExternalContext().getRequestParameterMap();
            String eventName = params.get(Constants.RequestParams.PARTIAL_BEHAVIOR_EVENT_PARAM);

            if(eventName.equals("select")) {
                AjaxBehaviorEvent behaviorEvent = (AjaxBehaviorEvent) event;
                String clientId = this.getClientId(context);
                
                Object value = GsonConverter.getGson().fromJson(params.get(clientId + "_hidden").toString(), JsonArray.class);
                
                SelectEvent selectEvent = new SelectEvent(this, behaviorEvent.getBehavior(), value);
                selectEvent.setPhaseId(behaviorEvent.getPhaseId());

                super.queueEvent(selectEvent);
            }
        }
        else {
            super.queueEvent(event);
        }
	}
	
	public boolean isRequestSource(FacesContext context) {
        String partialSource = context.getExternalContext().getRequestParameterMap().get(Constants.RequestParams.PARTIAL_SOURCE_PARAM);

        return partialSource != null && this.getClientId(context).equals(partialSource);
    }
}