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org.wings.plaf.css.CursorCG Maven / Gradle / Ivy

package org.wings.plaf.css;

import org.wings.SComponent;
import org.wings.SLabel;
import org.wings.SIcon;
import org.wings.script.ScriptListener;
import org.wings.session.SCursor;
import org.wings.session.ScriptManager;
import org.wings.plaf.Update;
import org.wings.io.Device;
import org.wings.io.StringBuilderDevice;

import java.io.IOException;
import java.util.List;

public class CursorCG extends AbstractComponentCG implements org.wings.plaf.CursorCG {
    public CursorCG() {
    }

    public static void writeInnerComponent(Device device, SCursor component) throws IOException {
        List icons = component.getIconsByPriority();

        device.print("");

        for(SIcon icon : icons) {
            device.print("");
        }

        SLabel label = component.getLabel();
        if(label != null) {
            LabelCG labelCG = (LabelCG)label.getCG();

            labelCG.write(device, label);
        }

        device.print("");
    }

    public static void writeComponent(Device device, SCursor component) throws IOException {
        //Write outer element (Updates update everything inside)
		device.print("");
		
		//Write inner element
        writeInnerComponent(device, component);

        device.print("

");
}
@Override
public void writeInternal(Device device, SComponent component) throws IOException {
writeComponent(device, (SCursor)component);
final SComponent cursor = component;
ScriptManager.getInstance().addScriptListener(new MyScriptListener(cursor));
}
@Override
public Update getContentUpdate(SComponent component) {
return new ContentUpdate(component);
}
protected final static class ContentUpdate extends AbstractUpdate {
public ContentUpdate(SComponent component) {
super(component);
}
String htmlCode = "";
String exception = null;
@Override
public Handler getHandler() {
UpdateHandler handler = new UpdateHandler("text");
handler.addParameter(component.getName());
SCursor cursor = (SCursor)component;
try {
StringBuilderDevice htmlDevice = new StringBuilderDevice(1024);
CursorCG cg = (CursorCG)cursor.getCG();
CursorCG.writeInnerComponent(htmlDevice, cursor);
htmlCode = htmlDevice.toString();
} catch(Throwable t) {
exception = t.getClass().getName();
}
handler.addParameter(htmlCode);
if(exception != null)
handler.addParameter(exception);
return handler;
}
}
@Override
public Update getVisibilityUpdate(SComponent component, boolean newVisibility) {
return new VisibilityUpdate(component, newVisibility);
}
protected final static class VisibilityUpdate extends AbstractUpdate {
private boolean visibility;
public VisibilityUpdate(SComponent component, boolean visibility) {
super(component);
this.visibility = visibility;
}
@Override
public Handler getHandler() {
UpdateHandler handler = new UpdateHandler("visibility");
handler.addParameter(component.getName());
if(visibility) {
handler.addParameter("block");
handler.addParameter("visible");
} else {
handler.addParameter("none");
handler.addParameter("hidden");
}
return handler;
}
}
private static class MyScriptListener implements ScriptListener {
private final SComponent cursor;
public MyScriptListener(SComponent cursor) {
this.cursor = cursor;
}
@Override
public String getScript() {
StringBuilder builder = AbstractComponentCG.STRING_BUILDER.get();
builder.setLength(0);
builder.append("wingS.cursor.setCursorElement('").append(cursor.getName()).append("');\n");
return builder.toString();
}
@Override
public String getEvent() {
return null;
}
@Override
public String getCode() {
return null;
}
@Override
public int getPriority() {
return LOW_PRIORITY;
}
}
}

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