ch.elexis.core.ui.dialogs.SelectBestellungDialog.java Source code

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Here is the source code for ch.elexis.core.ui.dialogs.SelectBestellungDialog.java

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/*******************************************************************************
 * Copyright (c) 2013 MEDEVIT <office@medevit.at>.
 * 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
 * 
 * Contributors:
 *     MEDEVIT <office@medevit.at> - initial API and implementation
 ******************************************************************************/
package ch.elexis.core.ui.dialogs;

import java.util.List;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
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.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.dialogs.SelectionDialog;

import ch.elexis.data.Bestellung;
import ch.elexis.data.Query;
import ch.rgw.tools.TimeTool;

public class SelectBestellungDialog extends SelectionDialog {

    private IStructuredContentProvider fContentProvider;

    private ILabelProvider fLabelProvider;

    private Object fInput;

    private TableViewer fTableViewer;

    private boolean fAddCancelButton = true;

    private int widthInChars = 55;

    private int heightInChars = 15;

    public SelectBestellungDialog(Shell parent) {
        super(parent);
    }

    protected Control createDialogArea(Composite container) {
        Composite parent = (Composite) super.createDialogArea(container);
        createMessageArea(parent);
        fTableViewer = new TableViewer(parent, getTableStyle());
        fTableViewer.setContentProvider(new BestellContentProvider());

        addColumns();

        setComparator();

        fTableViewer.setInput(this);

        fTableViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                if (fAddCancelButton) {
                    okPressed();
                }
            }
        });
        List initialSelection = getInitialElementSelections();
        if (initialSelection != null) {
            fTableViewer.setSelection(new StructuredSelection(initialSelection));
        }
        GridData gd = new GridData(GridData.FILL_BOTH);
        gd.heightHint = convertHeightInCharsToPixels(heightInChars);
        gd.widthHint = convertWidthInCharsToPixels(widthInChars);
        Table table = fTableViewer.getTable();
        table.setLayoutData(gd);
        table.setFont(container.getFont());
        table.setHeaderVisible(true);
        return parent;
    }

    private void setComparator() {
        fTableViewer.setComparator(new ViewerComparator() {
            private TimeTool t1 = new TimeTool();
            private TimeTool t2 = new TimeTool();

            @Override
            public int compare(Viewer viewer, Object b1, Object b2) {
                setTimeTool((Bestellung) b1, t1);
                setTimeTool((Bestellung) b2, t2);
                if (t1.after(t2))
                    return -1;
                if (t2.after(t1))
                    return 1;
                return 0;
            }

            private void setTimeTool(Bestellung bestellung, TimeTool timeTool) {
                try {
                    String[] i = bestellung.getId().split(":"); //$NON-NLS-1$
                    timeTool.set(i[1]);
                } catch (Exception e) {
                    timeTool.set("1.1.1970");
                }
            }
        });
    }

    private void addColumns() {
        TableViewerColumn time = new TableViewerColumn(fTableViewer, SWT.NONE);
        time.getColumn().setWidth(125);
        time.getColumn().setText("Datum");
        time.setLabelProvider(new ColumnLabelProvider() {
            TimeTool date = new TimeTool();

            @Override
            public String getText(Object element) {
                Bestellung bestellung = (Bestellung) element;
                String[] i = bestellung.getId().split(":"); //$NON-NLS-1$

                if (i.length > 1) {
                    date.set(i[1]);
                    return date.toString(TimeTool.FULL_GER);
                } else {
                    return "???";
                }
            }
        });

        TableViewerColumn title = new TableViewerColumn(fTableViewer, SWT.NONE);
        title.getColumn().setWidth(200);
        title.getColumn().setText("Titel");
        title.setLabelProvider(new ColumnLabelProvider() {
            @Override
            public String getText(Object element) {
                Bestellung bestellung = (Bestellung) element;
                String[] i = bestellung.getId().split(":"); //$NON-NLS-1$

                if (i.length > 0)
                    return i[0];
                else
                    return "???";
            }
        });
    }

    /**
     * Return the style flags for the table viewer.
     * 
     * @return int
     */
    protected int getTableStyle() {
        return SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION;
    }

    /*
     * Overrides method from Dialog
     */
    protected void okPressed() {
        // Build a list of selected children.
        IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
        setResult(selection.toList());
        super.okPressed();
    }

    private static class BestellContentProvider implements IStructuredContentProvider {

        public Object[] getElements(final Object inputElement) {
            Query<Bestellung> qbe = new Query<Bestellung>(Bestellung.class);
            return qbe.execute().toArray();
        }

        public void dispose() {
        }

        public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
        }

    }
}