com.ecfeed.ui.common.TestDataValueEditingSupport.java Source code

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Here is the source code for com.ecfeed.ui.common.TestDataValueEditingSupport.java

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/*******************************************************************************
 *
 * Copyright (c) 2016 ecFeed AS.                                                
 * 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                      
 * http://www.eclipse.org/legal/epl-v10.html 
 *  
 *******************************************************************************/

package com.ecfeed.ui.common;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ComboBoxViewerCellEditor;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;

import com.ecfeed.core.adapter.ITypeAdapter;
import com.ecfeed.core.adapter.java.JavaUtils;
import com.ecfeed.core.model.ChoiceNode;
import com.ecfeed.core.model.MethodNode;
import com.ecfeed.core.model.MethodParameterNode;

public class TestDataValueEditingSupport extends EditingSupport {
    private final TableViewer fViewer;
    private ComboBoxViewerCellEditor fComboCellEditor;
    private ITestDataEditorListener fSetValueListener;
    private MethodNode fMethod;

    public TestDataValueEditingSupport(MethodNode method, TableViewer viewer,
            ITestDataEditorListener setValueListener) {
        super(viewer);
        fViewer = viewer;
        fSetValueListener = setValueListener;
        fMethod = method;

        fComboCellEditor = new ComboBoxViewerCellEditor(fViewer.getTable(), SWT.TRAIL);
        fComboCellEditor.setLabelProvider(new LabelProvider());
        fComboCellEditor.setContentProvider(new ArrayContentProvider());
    }

    @Override
    protected CellEditor getCellEditor(Object element) {
        ChoiceNode choice = (ChoiceNode) element;
        return getComboCellEditor(choice);
    }

    private CellEditor getComboCellEditor(ChoiceNode choice) {
        String type = choice.getParameter().getType();
        EclipseModelBuilder builder = new EclipseModelBuilder();
        MethodParameterNode parameter = fMethod.getMethodParameter(choice);
        if (parameter.isExpected()) {
            Set<String> expectedValues = new HashSet<String>(builder.getSpecialValues(type));
            if (expectedValues.contains(choice.getValueString()) == false) {
                expectedValues.add(choice.getValueString());
            }
            if (JavaUtils.isUserType(parameter.getType())) {
                expectedValues.addAll(parameter.getLeafChoiceValues());
            }
            fComboCellEditor.setInput(expectedValues);

            if (JavaUtils.hasLimitedValuesSet(type) == false) {
                fComboCellEditor.getViewer().getCCombo().setEditable(true);
            } else {
                fComboCellEditor.setActivationStyle(ComboBoxViewerCellEditor.DROP_DOWN_ON_KEY_ACTIVATION
                        | ComboBoxViewerCellEditor.DROP_DOWN_ON_MOUSE_ACTIVATION);
                fComboCellEditor.getViewer().getCCombo().setEditable(false);
            }
        } else {
            fComboCellEditor.setActivationStyle(ComboBoxViewerCellEditor.DROP_DOWN_ON_KEY_ACTIVATION
                    | ComboBoxViewerCellEditor.DROP_DOWN_ON_MOUSE_ACTIVATION);
            fComboCellEditor.setInput(choice.getParameter().getLeafChoices());
            fComboCellEditor.getViewer().getCCombo().setEditable(false);
            fComboCellEditor.setValue(choice);
        }
        return fComboCellEditor;
    }

    @Override
    protected boolean canEdit(Object element) {
        return true;
    }

    @Override
    protected Object getValue(Object element) {
        ChoiceNode choice = (ChoiceNode) element;
        if (fMethod.getMethodParameter(choice).isExpected()) {
            return choice.getValueString();
        }
        return choice.toString();
    }

    @Override
    protected void setValue(Object element, Object value) {
        ChoiceNode current = (ChoiceNode) element;
        MethodParameterNode parameter = fMethod.getMethodParameter(current);
        int index = parameter.getIndex();
        ChoiceNode newValue = null;
        if (parameter.isExpected()) {
            String valueString = fComboCellEditor.getViewer().getCCombo().getText();
            String type = parameter.getType();
            ITypeAdapter adapter = new EclipseTypeAdapterProvider().getAdapter(type);
            if (adapter.convert(valueString) == null) {
                MessageDialog.openError(Display.getCurrent().getActiveShell(),
                        Messages.DIALOG_CHOICE_VALUE_PROBLEM_TITLE,
                        Messages.DIALOG_CHOICE_VALUE_PROBLEM_MESSAGE(valueString));
                return;
            } else if (valueString.equals(current.getValueString()) == false) {
                newValue = current.getCopy();
                newValue.setValueString(valueString);
            }
        } else if (value instanceof ChoiceNode) {
            if ((ChoiceNode) value != current) {
                newValue = (ChoiceNode) value;
            }
        }
        if (newValue != null) {
            fSetValueListener.testDataChanged(index, newValue);
        }
    }

    public void setMethod(MethodNode method) {
        fMethod = method;
    }
}