Package org.apache.uima.taeconfigurator.editors.ui.dialogs

Source Code of org.apache.uima.taeconfigurator.editors.ui.dialogs.AddCapabilityFeatureDialog

/*
* 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.uima.taeconfigurator.editors.ui.dialogs;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

import org.apache.uima.analysis_engine.TypeOrFeature;
import org.apache.uima.cas.Feature;
import org.apache.uima.cas.Type;
import org.apache.uima.resource.metadata.Capability;
import org.apache.uima.taeconfigurator.editors.ui.AbstractSection;
import org.apache.uima.taeconfigurator.editors.ui.CapabilitySection;
import org.apache.uima.taeconfigurator.editors.ui.Utility;

public class AddCapabilityFeatureDialog extends AbstractDialogMultiColTable {

  public String[] features; // this is the selection

  public boolean[] inputs;

  public boolean[] outputs;

  public boolean allFeaturesInput = false;

  public boolean allFeaturesOutput = false;

  private Feature[] allFeatures;

  private Capability capability;

  private Type selectedType;

  private boolean inputNotAllowed = true;

  private static Feature[] featureArray0 = new Feature[0];

  public AddCapabilityFeatureDialog(AbstractSection aSection, Type aSelectedType, Capability c) {
    super(
            aSection,
            "Specify features input and / or output",
            "Designate by mouse clicking one or more features in the Input and/or Output column, to designate as Input and/or Output press \"OK\"");
    selectedType = aSelectedType;
    allFeatures = (Feature[]) selectedType.getFeatures().toArray(featureArray0);
    Arrays.sort(allFeatures);

    capability = c;
    TypeOrFeature[] localInputs = c.getInputs();
    String typeName = selectedType.getName();
    if (null != localInputs) {
      for (int i = 0; i < localInputs.length; i++) {
        if (localInputs[i].isType() && typeName.equals(localInputs[i].getName())) {
          inputNotAllowed = false;
          break;
        }
      }
    }
  }

  protected Control createDialogArea(Composite parent) {
    Composite composite = (Composite) super.createDialogArea(parent);

    table = newTable(composite, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.FULL_SELECTION);
    ((GridData) table.getLayoutData()).heightHint = 100;
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    new TableColumn(table, SWT.NONE).setText("Feature Name");
    new TableColumn(table, SWT.NONE).setText("Input");
    new TableColumn(table, SWT.NONE).setText("Output");

    TableItem item = new TableItem(table, SWT.NONE);
    item.setText(0, CapabilitySection.ALL_FEATURES);
    TypeOrFeature tof = CapabilitySection.getTypeOrFeature(capability.getInputs(), selectedType
            .getName());
    setChecked(item, 1, null == tof ? false : tof.isAllAnnotatorFeatures());
    tof = CapabilitySection.getTypeOrFeature(capability.getOutputs(), selectedType.getName());
    setChecked(item, 2, null == tof ? false : tof.isAllAnnotatorFeatures());

    for (int i = 0; i < allFeatures.length; i++) {
      item = new TableItem(table, SWT.NONE);
      item.setText(0, allFeatures[i].getShortName());
      setChecked(item, 1, CapabilitySection.isInput(getTypeFeature(allFeatures[i]), capability));
      setChecked(item, 2, CapabilitySection.isOutput(getTypeFeature(allFeatures[i]), capability));
    }

    table.removeListener(SWT.Selection, this);
    table.addListener(SWT.MouseDown, this); // for i / o toggling
    section.packTable(table);
    newErrorMessage(composite);
    return composite;
  }

  /**
   * return the actual type name : short-feature-name
   *
   * @param feature
   * @return
   */
  protected String getTypeFeature(Feature feature) {
    return selectedType.getName() + ':' + feature.getShortName();
  }

  protected void toggleValue(TableItem item, int col) {
    if (1 == col && inputNotAllowed) {
      Utility.popMessage("Input not allowed",
              "Input not allowed unless the type itself is also marked as an input.",
              MessageDialog.ERROR);
      return;
    }
    super.toggleValue(item, col); // updates numberChecked for this item
    if (item.getText(col).equals(checkedIndicator(col)))
      if (item.getText(0).equals(CapabilitySection.ALL_FEATURES))
        uncheckAllOtherFeatures(col);
      else
        setChecked(table.getItem(0), col, false); // uncheck all-features
  }

  private void uncheckAllOtherFeatures(int column) {
    TableItem[] items = table.getItems();
    for (int i = 1; i < items.length; i++) {
      setChecked(items[i], column, false);
    }
  }

  public void copyValuesFromGUI() {
    List names = new ArrayList();
    List ins = new ArrayList();
    List outs = new ArrayList();

    for (int i = table.getItemCount() - 1; i >= 1; i--) {
      TableItem item = table.getItem(i);
      if (item.getText(1).equals(checkedIndicator(1))
              || item.getText(2).equals(checkedIndicator(2))) {
        names.add(item.getText(0));
        ins.add(Boolean.valueOf(item.getText(1).equals(checkedIndicator(1))));
        outs.add(Boolean.valueOf(item.getText(2).equals(checkedIndicator(2))));
      }
    }

    features = (String[]) names.toArray(stringArray0);
    inputs = new boolean[features.length];
    outputs = new boolean[features.length];
    for (int i = 0; i < features.length; i++) {
      inputs[i] = ((Boolean) ins.get(i)).booleanValue();
      outputs[i] = ((Boolean) outs.get(i)).booleanValue();
    }

    TableItem item = table.getItem(0);
    allFeaturesInput = item.getText(1).equals(checkedIndicator(1));
    allFeaturesOutput = item.getText(2).equals(checkedIndicator(2));
  }

}
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