/*
* 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.dnd.dialog;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.consent.Veto;
import org.apache.isis.viewer.dnd.drawing.ColorsAndFonts;
import org.apache.isis.viewer.dnd.drawing.Location;
import org.apache.isis.viewer.dnd.view.Axes;
import org.apache.isis.viewer.dnd.view.BackgroundTask;
import org.apache.isis.viewer.dnd.view.ButtonAction;
import org.apache.isis.viewer.dnd.view.Content;
import org.apache.isis.viewer.dnd.view.GlobalViewFactory;
import org.apache.isis.viewer.dnd.view.Placement;
import org.apache.isis.viewer.dnd.view.Toolkit;
import org.apache.isis.viewer.dnd.view.View;
import org.apache.isis.viewer.dnd.view.ViewFactory;
import org.apache.isis.viewer.dnd.view.ViewRequirement;
import org.apache.isis.viewer.dnd.view.Workspace;
import org.apache.isis.viewer.dnd.view.action.ActionContent;
import org.apache.isis.viewer.dnd.view.action.BackgroundWork;
import org.apache.isis.viewer.dnd.view.action.ObjectParameter;
import org.apache.isis.viewer.dnd.view.action.ParameterContent;
import org.apache.isis.viewer.dnd.view.action.TextParseableParameter;
import org.apache.isis.viewer.dnd.view.base.Layout;
import org.apache.isis.viewer.dnd.view.border.ButtonBorder;
import org.apache.isis.viewer.dnd.view.border.IconBorder;
import org.apache.isis.viewer.dnd.view.composite.CompositeViewDecorator;
import org.apache.isis.viewer.dnd.view.composite.CompositeViewSpecification;
import org.apache.isis.viewer.dnd.view.composite.StackLayout;
import org.apache.isis.viewer.dnd.view.control.AbstractButtonAction;
import org.apache.isis.viewer.dnd.view.control.CancelAction;
public class ActionDialogSpecification extends CompositeViewSpecification {
private static final Logger LOG = LoggerFactory.getLogger(ActionDialogSpecification.class);
private static class DialogFormSubviews implements ViewFactory {
@Override
public View createView(final Content content, final Axes axes, final int fieldNumber) {
if (content instanceof TextParseableParameter) {
final GlobalViewFactory factory = Toolkit.getViewFactory();
return factory.createView(new ViewRequirement(content, ViewRequirement.CLOSED | ViewRequirement.SUBVIEW));
} else if (content instanceof ObjectParameter) {
final GlobalViewFactory factory = Toolkit.getViewFactory();
return factory.createView(new ViewRequirement(content, ViewRequirement.CLOSED | ViewRequirement.SUBVIEW));
}
return null;
}
}
private static class ExecuteAction extends AbstractButtonAction {
public ExecuteAction() {
this("Apply");
}
public ExecuteAction(final String name) {
super(name, true);
}
@Override
public Consent disabled(final View view) {
final View[] subviews = view.getSubviews();
final StringBuffer missingFields = new StringBuffer();
final StringBuffer invalidFields = new StringBuffer();
for (final View field : subviews) {
final ParameterContent content = ((ParameterContent) field.getContent());
final boolean isEmpty = content.getAdapter() == null;
if (content.isRequired() && isEmpty) {
final String parameterName = content.getParameterName();
if (missingFields.length() > 0) {
missingFields.append(", ");
}
missingFields.append(parameterName);
} else if (field.getState().isInvalid()) {
final String parameterName = content.getParameterName();
if (invalidFields.length() > 0) {
invalidFields.append(", ");
}
invalidFields.append(parameterName);
}
}
if (missingFields.length() > 0) {
// TODO: move logic into Facet
return new Veto(String.format("Fields needed: %s", missingFields));
}
if (invalidFields.length() > 0) {
// TODO: move logic into Facet
return new Veto(String.format("Invalid fields: %s", invalidFields));
}
final ActionContent actionContent = ((ActionContent) view.getContent());
return actionContent.disabled();
}
@Override
public void execute(final Workspace workspace, final View view, final Location at) {
final BackgroundTask task = new BackgroundTask() {
@Override
public void execute() {
final ActionContent actionContent = ((ActionContent) view.getContent());
final ObjectAdapter result = actionContent.execute();
LOG.debug("action invoked with result " + result);
if (result != null) {
view.objectActionResult(result, new Placement(view.getAbsoluteLocation()));
}
view.getViewManager().disposeUnneededViews();
view.getFeedbackManager().showMessagesAndWarnings();
}
@Override
public String getName() {
return ((ActionContent) view.getContent()).getActionName();
}
@Override
public String getDescription() {
return "Running action " + getName() + " on " + view.getContent().getAdapter();
}
};
LOG.debug(" ... created task " + task);
BackgroundWork.runTaskInBackground(view, task);
}
protected void move(final Location at) {
at.move(30, 60);
}
}
private static class ExecuteAndCloseAction extends ExecuteAction {
public ExecuteAndCloseAction() {
super("OK");
}
@Override
public void execute(final Workspace workspace, final View view, final Location at) {
LOG.debug("executing action " + this);
view.dispose();
LOG.debug(" ... disposed view, now executing");
super.execute(workspace, view, at);
view.getViewManager().setKeyboardFocus(workspace);
// view.getViewManager().clearKeyboardFocus();
}
@Override
protected void move(final Location at) {
}
}
public ActionDialogSpecification() {
builder = new ActionFieldBuilder(new DialogFormSubviews());
addSubviewDecorator(new ParametersLabelDecorator());
addViewDecorator(new CompositeViewDecorator() {
@Override
public View decorate(final View view, final Axes axes) {
// TODO reintroduce the 'Apply' notion, but under control from
// the method declaration
final ButtonAction[] actions = new ButtonAction[] { new ExecuteAndCloseAction(), new CancelAction() };
final ButtonBorder buttonBorder = new ButtonBorder(actions, new IconBorder(view, Toolkit.getText(ColorsAndFonts.TEXT_TITLE_SMALL)));
buttonBorder.setFocusManager(new ActionDialogFocusManager(buttonBorder));
return buttonBorder;
}
});
}
@Override
public Layout createLayout(final Content content, final Axes axes) {
return new StackLayout();
}
@Override
public boolean canDisplay(final ViewRequirement requirement) {
return requirement.getContent() instanceof ActionContent;
}
@Override
public String getName() {
return "Action Dialog";
}
}