org.springframework.ide.eclipse.boot.dash.views.CustomizeTargetLabelDialogModel.java Source code

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Here is the source code for org.springframework.ide.eclipse.boot.dash.views.CustomizeTargetLabelDialogModel.java

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/*******************************************************************************
 * Copyright (c) 2016 Spring IDE Developers
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Spring IDE Developers - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.boot.dash.views;

import org.springframework.ide.eclipse.boot.dash.dialogs.EditTemplateDialogModel;
import org.springframework.ide.eclipse.boot.dash.model.BootDashModel;
import org.springframework.ide.eclipse.boot.dash.model.runtargettypes.RunTargetType;

/**
 * Model of the dialog opened by {@link CustmomizeTargetLabelAction}. Has all the functionality
 * of the dialog except for the widgets themselves.
 *
 * @author Kris De Volder
 */
public final class CustomizeTargetLabelDialogModel {

    //Note: there is no representation in this model of the 'cancel' button that exists in the
    // real dialog. When cancel is clicked basically... nothing happens and the dialog just closes,
    // there is no call to the model and this is fine as there is literally nothing for the model to
    // do.

    //Why not a 'real' class rather than this method that creates an anonymous class?
    // Because the real class has troubles initializing itself because of the call to 'getDefaultValue'
    // in the super constructor (it is called before the 'type' field is initialized!
    //This static method is almost functionally equivalent but doesn't have that problem because
    // the local variables exist before the class instance is constructed.
    public static EditTemplateDialogModel create(final BootDashModel section) {
        final RunTargetType type = section.getRunTarget().getType();
        return new EditTemplateDialogModel() {

            {
                template.setValue(section.getNameTemplate());
            }

            @Override
            public String getTitle() {
                String type = section.getRunTarget().getType().getName();
                return "Customize Labels for " + type + " Target(s)";
            }

            @Override
            public void performOk() throws Exception {
                if (applyToAll.getValue()) {
                    section.getRunTarget().getType().setNameTemplate(template.getValue());
                    //To *really* apply the template to *all* targets of a given type, we must make sure
                    // that the targets do not override the value individually:
                    for (BootDashModel model : section.getViewModel().getSectionModels().getValue()) {
                        if (model.getRunTarget().getType().equals(type)) {
                            model.setNameTemplate(null);
                            model.notifyModelStateChanged();
                        }
                    }
                } else {
                    section.setNameTemplate(template.getValue());
                    section.notifyModelStateChanged();
                }
            }

            @Override
            public String getHelpText() {
                return type.getTemplateHelpText();
            }

            @Override
            public String getDefaultValue() {
                return type.getDefaultNameTemplate();
            }

            @Override
            public String getApplyToAllLabel() {
                return "Apply to all " + type.getName() + " targets";
            }

            @Override
            public boolean getApplyToAllDefault() {
                //'apply to all' is enabled by default, unless there is at least one applicable model which already
                // has an individually customized label.
                for (BootDashModel section : section.getViewModel().getSectionModels().getValue()) {
                    if (section.getRunTarget().getType().equals(type) && section.hasCustomNameTemplate()) {
                        return false;
                    }
                }
                return true;
            }
        };
    }

}