| 1 | package de.uka.ipd.sdq.sensorframework.dialogs.dataset; |
| 2 | |
| 3 | import org.eclipse.jface.dialogs.IDialogConstants; |
| 4 | import org.eclipse.jface.dialogs.TitleAreaDialog; |
| 5 | import org.eclipse.jface.viewers.ISelection; |
| 6 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
| 7 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 8 | import org.eclipse.jface.viewers.SelectionChangedEvent; |
| 9 | import org.eclipse.jface.viewers.TableViewer; |
| 10 | import org.eclipse.swt.SWT; |
| 11 | import org.eclipse.swt.events.SelectionListener; |
| 12 | import org.eclipse.swt.events.ShellAdapter; |
| 13 | import org.eclipse.swt.events.ShellEvent; |
| 14 | import org.eclipse.swt.graphics.Point; |
| 15 | import org.eclipse.swt.layout.FormAttachment; |
| 16 | import org.eclipse.swt.layout.FormData; |
| 17 | import org.eclipse.swt.layout.FormLayout; |
| 18 | import org.eclipse.swt.layout.GridData; |
| 19 | import org.eclipse.swt.widgets.Button; |
| 20 | import org.eclipse.swt.widgets.Composite; |
| 21 | import org.eclipse.swt.widgets.Control; |
| 22 | import org.eclipse.swt.widgets.Label; |
| 23 | import org.eclipse.swt.widgets.Shell; |
| 24 | import org.eclipse.swt.widgets.Table; |
| 25 | |
| 26 | import de.uka.ipd.sdq.sensorframework.dao.memory.MemoryDAOFactory; |
| 27 | import de.uka.ipd.sdq.sensorframework.entities.dao.IDAOFactory; |
| 28 | |
| 29 | public class DatasourceDialog extends TitleAreaDialog { |
| 30 | |
| 31 | private static String DIALOG_TITLE = "Create/Load the data source."; |
| 32 | |
| 33 | private Button addButton, removeButton, okButton, openButton; |
| 34 | private Object input; |
| 35 | private IDAOFactory selectedDataSet; |
| 36 | private TableViewer viewer; |
| 37 | private boolean buttonValidation; |
| 38 | private String dialogTitle; |
| 39 | |
| 40 | /** Create the dialog */ |
| 41 | public DatasourceDialog(Shell parentShell, String dialogTitle, |
| 42 | Object input, boolean makeButtonValidation) { |
| 43 | super(parentShell); |
| 44 | this.dialogTitle = dialogTitle; |
| 45 | this.input = input; |
| 46 | this.buttonValidation = makeButtonValidation; |
| 47 | |
| 48 | /** |
| 49 | * the result of combining the constants which are required to produce a |
| 50 | * typical application top level shell |
| 51 | */ |
| 52 | setShellStyle(SWT.RESIZE | SWT.MAX | SWT.CLOSE); |
| 53 | } |
| 54 | |
| 55 | /* (non-Javadoc) |
| 56 | * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell) |
| 57 | */ |
| 58 | @Override |
| 59 | protected void configureShell(Shell newShell) { |
| 60 | super.configureShell(newShell); |
| 61 | newShell.setText(dialogTitle); |
| 62 | newShell.addShellListener(new ShellAdapter(){ |
| 63 | |
| 64 | /* (non-Javadoc) |
| 65 | * @see org.eclipse.swt.events.ShellAdapter#shellClosed(org.eclipse.swt.events.ShellEvent) |
| 66 | */ |
| 67 | @Override |
| 68 | public void shellClosed(ShellEvent e) { |
| 69 | selectedDataSet= null; |
| 70 | } |
| 71 | }); |
| 72 | } |
| 73 | |
| 74 | /* (non-Javadoc) |
| 75 | * @see org.eclipse.jface.dialogs.TitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| 76 | */ |
| 77 | @Override |
| 78 | protected Control createDialogArea(Composite parent) { |
| 79 | Composite area = (Composite) super.createDialogArea(parent); |
| 80 | Composite container = new Composite(area, SWT.NONE); |
| 81 | container.setLayout(new FormLayout()); |
| 82 | container.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| 83 | |
| 84 | /** 'Add..' button */ |
| 85 | addButton = new Button(container, SWT.NONE); |
| 86 | final FormData fd_addButton = new FormData(); |
| 87 | fd_addButton.right = new FormAttachment(100, -5); |
| 88 | fd_addButton.bottom = new FormAttachment(0, 31); |
| 89 | fd_addButton.top = new FormAttachment(0, 5); |
| 90 | addButton.setLayoutData(fd_addButton); |
| 91 | addButton.setText("Add.."); |
| 92 | |
| 93 | /** 'Remove' button */ |
| 94 | removeButton = new Button(container, SWT.NONE); |
| 95 | final FormData fd_removeButton = new FormData(); |
| 96 | fd_removeButton.right = new FormAttachment(100, -5); |
| 97 | fd_removeButton.bottom = new FormAttachment(0, 61); |
| 98 | fd_removeButton.top = new FormAttachment(0, 35); |
| 99 | removeButton.setLayoutData(fd_removeButton); |
| 100 | removeButton.setText("Remove"); |
| 101 | |
| 102 | /** 'Open..' button */ |
| 103 | openButton = new Button(container, SWT.NONE); |
| 104 | final FormData fd_openButton = new FormData(); |
| 105 | fd_openButton.left = new FormAttachment(100, -84); |
| 106 | fd_openButton.right = new FormAttachment(100, -5); |
| 107 | fd_openButton.bottom = new FormAttachment(0, 91); |
| 108 | fd_openButton.top = new FormAttachment(0, 65); |
| 109 | openButton.setLayoutData(fd_openButton); |
| 110 | openButton.setText("Open.."); |
| 111 | |
| 112 | Label separator = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL); |
| 113 | final FormData fd_label = new FormData(); |
| 114 | fd_label.bottom = new FormAttachment(100, 2); |
| 115 | fd_label.right = new FormAttachment(100, 2); |
| 116 | fd_label.left = new FormAttachment(0, -6); |
| 117 | separator.setLayoutData(fd_label); |
| 118 | separator.setText("Label"); |
| 119 | |
| 120 | Table list = new Table(container, SWT.BORDER); |
| 121 | fd_label.top = new FormAttachment(list, 28, SWT.DEFAULT); |
| 122 | fd_removeButton.left = new FormAttachment(list, 6, SWT.DEFAULT); |
| 123 | fd_addButton.left = new FormAttachment(list, 6, SWT.DEFAULT); |
| 124 | final FormData fd_list = new FormData(); |
| 125 | fd_list.bottom = new FormAttachment(100, -32); |
| 126 | fd_list.right = new FormAttachment(100, -89); |
| 127 | fd_list.top = new FormAttachment(0, 4); |
| 128 | fd_list.left = new FormAttachment(0, 5); |
| 129 | list.setLayoutData(fd_list); |
| 130 | |
| 131 | /** create a ListViewer */ |
| 132 | viewer = new TableViewer(list); |
| 133 | viewer.setContentProvider(new DatasourceListContentProvider()); |
| 134 | viewer.setLabelProvider(new DatasourceListLabelProvider()); |
| 135 | viewer.addSelectionChangedListener(new ISelectionChangedListener(){ |
| 136 | |
| 137 | public void selectionChanged(SelectionChangedEvent event) { |
| 138 | ISelection selection = event.getSelection(); |
| 139 | if (selection instanceof IStructuredSelection) { |
| 140 | IStructuredSelection sel = (IStructuredSelection) selection; |
| 141 | Object object = sel.getFirstElement(); |
| 142 | selectedDataSet = (IDAOFactory) object; |
| 143 | validationOKButton(selectedDataSet); |
| 144 | } |
| 145 | |
| 146 | } |
| 147 | }); |
| 148 | viewer.setInput(input); |
| 149 | |
| 150 | setTitle(DIALOG_TITLE); |
| 151 | |
| 152 | return container; |
| 153 | } |
| 154 | |
| 155 | /* (non-Javadoc) |
| 156 | * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite) |
| 157 | */ |
| 158 | @Override |
| 159 | protected void createButtonsForButtonBar(Composite parent) { |
| 160 | createButton(parent, IDialogConstants.CANCEL_ID, |
| 161 | IDialogConstants.CANCEL_LABEL, false); |
| 162 | okButton = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, |
| 163 | true); |
| 164 | validationOKButton(selectedDataSet); |
| 165 | } |
| 166 | |
| 167 | private void validationOKButton(Object selection) { |
| 168 | setErrorMessage(null); |
| 169 | okButton.setEnabled(true); |
| 170 | |
| 171 | if (buttonValidation && selection == null) { |
| 172 | okButton.setEnabled(false); |
| 173 | setErrorMessage("No Datasource selected!"); |
| 174 | } |
| 175 | |
| 176 | if (selection instanceof MemoryDAOFactory) { |
| 177 | MemoryDAOFactory memoryDAO = (MemoryDAOFactory) selection; |
| 178 | setTitle("Description:"); |
| 179 | setMessage(memoryDAO.getDescription()); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | protected void setAddButtonAction(SelectionListener listener){ |
| 184 | addButton.addSelectionListener(listener); |
| 185 | } |
| 186 | |
| 187 | protected void setRemoveButtonAction(SelectionListener listener){ |
| 188 | removeButton.addSelectionListener(listener); |
| 189 | } |
| 190 | |
| 191 | protected void setOpenButtonAction(SelectionListener listener){ |
| 192 | openButton.addSelectionListener(listener); |
| 193 | } |
| 194 | |
| 195 | /* (non-Javadoc) |
| 196 | * @see org.eclipse.jface.dialogs.TitleAreaDialog#getInitialSize() |
| 197 | */ |
| 198 | @Override |
| 199 | protected Point getInitialSize() { |
| 200 | return new Point(400, 350); |
| 201 | } |
| 202 | |
| 203 | public Object getResult(){ |
| 204 | return selectedDataSet; |
| 205 | } |
| 206 | |
| 207 | protected void refresh(){ |
| 208 | viewer.refresh(); |
| 209 | } |
| 210 | } |