/*
* 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.editors;
import org.jbpm.formapi.client.form.FBInplaceEditor;
import org.jbpm.formbuilder.client.FormBuilderGlobals;
import org.jbpm.formbuilder.client.form.items.HTMLFormItem;
import org.jbpm.formbuilder.client.messages.I18NConstants;
import com.google.gwt.event.dom.client.BlurEvent;
import com.google.gwt.event.dom.client.BlurHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.FocusEvent;
import com.google.gwt.event.dom.client.FocusHandler;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* Inplace editor for {@link HTMLFormItem}
*/
public class HTMLFormItemEditor extends FBInplaceEditor {
private final HTMLFormItem formItem;
private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n();
private VerticalPanel panel = new VerticalPanel();
private TextArea editorArea = new TextArea();
private Button htmlButton = new Button(i18n.HTMLEditorHTML());
private Button textButton = new Button(i18n.HTMLEditorText());
private Button doneButton = new Button(i18n.ConfirmButton());
private FocusWrapper wrapper = new FocusWrapper();
public HTMLFormItemEditor(HTMLFormItem formItem) {
this.formItem = formItem;
HorizontalPanel buttonPanel = new HorizontalPanel();
editorArea.setValue(this.formItem.getHtmlContent());
editorArea.addBlurHandler(new BlurHandler() {
@Override
public void onBlur(BlurEvent event) {
wrapper.setValue(false);
}
});
editorArea.addFocusHandler(new FocusHandler() {
@Override
public void onFocus(FocusEvent event) {
wrapper.setValue(true);
}
});
editorArea.unsinkEvents(Event.ONKEYPRESS | Event.ONMOUSEUP | Event.ONDBLCLICK | Event.ONCONTEXTMENU);
this.htmlButton.setEnabled(false);
buttonPanel.add(createTextButton());
buttonPanel.add(createHtmlButton());
editorArea.setCharacterWidth(50);
editorArea.setVisibleLines(5);
panel.add(buttonPanel);
panel.add(editorArea);
panel.add(createDoneButton());
add(panel);
}
@Override
public void focus() {
editorArea.setFocus(true);
}
@Override
public boolean isFocused() {
return wrapper.getValue();
}
private Button createDoneButton() {
this.doneButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
if (textButton.isEnabled()) {
String htmlContent = editorArea.getValue();
formItem.setHtmlContent(htmlContent);
} else {
String textContent = editorArea.getValue();
formItem.setTextContent(textContent);
}
formItem.reset();
}
});
return this.doneButton;
}
private Button createHtmlButton() {
this.htmlButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
formItem.setTextContent(editorArea.getValue());
editorArea.setValue(formItem.getHtmlContent());
textButton.setEnabled(true);
htmlButton.setEnabled(false);
}
});
return this.htmlButton;
}
private Button createTextButton() {
this.textButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
formItem.setHtmlContent(editorArea.getValue());
editorArea.setValue(formItem.getTextContent());
htmlButton.setEnabled(true);
textButton.setEnabled(false);
}
});
return this.textButton;
}
}