/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.viewer.wicket.ui.components.scalars.string;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.form.AbstractTextComponent;
import org.apache.wicket.markup.html.form.TextArea;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.model.IModel;
import org.apache.isis.core.metamodel.facets.SingleIntValueFacet;
import org.apache.isis.core.metamodel.facets.objectvalue.maxlen.MaxLengthFacet;
import org.apache.isis.core.metamodel.facets.objectvalue.multiline.MultiLineFacet;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
import org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelTextFieldParseableAbstract;
import org.apache.isis.viewer.wicket.ui.components.scalars.TextFieldStringModel;
/**
* Panel for rendering MultiLine scalars of type String
*/
public class MultiLineStringPanel extends ScalarPanelTextFieldParseableAbstract {
private static final long serialVersionUID = 1L;
public MultiLineStringPanel(final String id, final ScalarModel scalarModel) {
super(id, scalarModel);
}
@Override
protected AbstractTextComponent<String> createTextFieldForRegular(final String id) {
TextFieldStringModel model = new TextFieldStringModel(this);
final TextArea<String> textArea = new TextArea<String>(id, model);
setRowsAndMaxLengthAttributesOn(textArea);
return textArea;
}
private void setRowsAndMaxLengthAttributesOn(final TextArea<String> textField) {
final MultiLineFacet multiLineFacet = getModel().getFacet(MultiLineFacet.class);
setAttribute(textField, "rows", multiLineFacet.numberOfLines());
final Integer maxLength = getValueOf(getModel(), MaxLengthFacet.class);
if(maxLength != null) {
// in conjunction with javascript in jquery.isis.wicket.viewer.js
// see http://stackoverflow.com/questions/4459610/set-maxlength-in-html-textarea
setAttribute(textField, "maxlength", maxLength);
}
}
@Override
protected String createTextFieldFragmentId() {
return "textarea";
}
protected Component createInlinePromptComponent(
final String id,
final IModel<String> inlinePromptModel) {
final Fragment fragment = new Fragment(id, "textareaInlinePrompt", this);
final TextArea<String> inlinePromptTextArea = new TextArea<>("scalarValue", inlinePromptModel);
setRowsAndMaxLengthAttributesOn(inlinePromptTextArea);
fragment.add(inlinePromptTextArea);
return fragment;
}
/**
* Most other components require 'form-control input-sm' on the owning inline prompt link.
* For this component, however, which uses a textarea, this instead appears on the textarea itself.
*/
@Override
protected String obtainInlinePromptLinkCssIfAny() {
return null;
}
@Override
protected String getScalarPanelType() {
return "multiLineStringPanel";
}
private Component setAttribute(final TextArea<String> textField, final String attributeName, final int i) {
return textField.add(AttributeModifier.replace(attributeName, ""+i));
}
private static Integer getValueOf(ScalarModel model, Class<? extends SingleIntValueFacet> facetType) {
final SingleIntValueFacet facet = model.getFacet(facetType);
return facet != null ? facet.value() : null;
}
}