eu.etaxonomy.taxeditor.printpublisher/src/main/java/eu/etaxonomy/taxeditor/printpublisher/wizard/SelectStylesheetWizardPage.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.printpublisher.wizard;
   5
   6 import java.io.File;
   7 import java.io.IOException;
   8 import java.util.List;
   9
  10 import org.eclipse.jface.viewers.ISelectionChangedListener;
  11 import org.eclipse.jface.viewers.IStructuredContentProvider;
  12 import org.eclipse.jface.viewers.IStructuredSelection;
  13 import org.eclipse.jface.viewers.LabelProvider;
  14 import org.eclipse.jface.viewers.ListViewer;
  15 import org.eclipse.jface.viewers.SelectionChangedEvent;
  16 import org.eclipse.jface.viewers.StructuredSelection;
  17 import org.eclipse.jface.viewers.Viewer;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.layout.GridData;
  20 import org.eclipse.swt.layout.GridLayout;
  21 import org.eclipse.swt.widgets.Composite;
  22
  23 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  24
  25 /**
  26  * @author n.hoffmann
  27  *
  28  */
  29 public class SelectStylesheetWizardPage extends AbstractPublishWizardPage
  30                 implements ISelectionChangedListener, IHasPersistableSettings {
  31
  32         public static final String DIALOG_SETTING_STYLESHEET = "dialogSettingStylesheet";
  33
  34         private ListViewer viewer;
  35         private IStructuredSelection selection;
  36
  37         protected SelectStylesheetWizardPage(String pageName) {
  38                 super(pageName);
  39                 setTitle("Select Stylesheet");
  40         }
  41
  42         /* (non-Javadoc)
  43          * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  44          */
  45         @Override
  46         public void createControl(Composite parent) {
  47                 setPageComplete(false);
  48
  49                 final Composite composite = new Composite(parent, SWT.NULL);
  50                 composite.setLayout(new GridLayout());
  51
  52                 viewer = new ListViewer(composite);
  53                 viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  54                 viewer.setContentProvider(new StylesheetContentProvider());
  55                 viewer.setLabelProvider(new StylesheetLabelProvider());
  56
  57                 viewer.addSelectionChangedListener(this);
  58
  59                 refresh();
  60
  61                 loadSettings();
  62
  63                 setControl(composite);
  64         }
  65
  66         @Override
  67         public void loadSettings() {
  68                 String stylesheet = getDialogSettingValue(DIALOG_SETTING_STYLESHEET);
  69
  70                 if(stylesheet != null){
  71                         File lastSelection = new File(stylesheet);
  72                         viewer.setSelection(new StructuredSelection(lastSelection));
  73                 }
  74         }
  75
  76         /**
  77          * Refreshes the input of the viewer
  78          */
  79         public void refresh() {
  80                 List<File> stylesheets;
  81                 try {
  82                         stylesheets = getOutputModule().getStylesheets();
  83                         viewer.setInput(stylesheets);
  84                 } catch (IOException e) {
  85                         MessagingUtils.messageDialog("Problems reading stylesheet", getClass(), e.getMessage(), e);
  86                 }
  87         }
  88
  89         /* (non-Javadoc)
  90          * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
  91          */
  92         @Override
  93         public void selectionChanged(SelectionChangedEvent event) {
  94                 selection = (IStructuredSelection) event.getSelection();
  95
  96
  97
  98                 File stylesheet = (File) selection.getFirstElement();
  99
 100                 setPageComplete(stylesheet != null);
 101
 102                 getOutputModule().setXslt(stylesheet);
 103                 if(stylesheet != null)  putDialogSettingValue(DIALOG_SETTING_STYLESHEET, stylesheet.getAbsolutePath());
 104
 105                 setErrorMessage(null);
 106
 107         }
 108
 109         private class StylesheetContentProvider implements IStructuredContentProvider {
 110
 111                 @Override
 112                 public void dispose() {}
 113
 114                 @Override
 115                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
 116
 117                 @Override
 118                 public Object[] getElements(Object inputElement) {
 119                         if(inputElement instanceof List){
 120                                 return ((List) inputElement).toArray();
 121                         }
 122                         return new Object[0];
 123                 }
 124
 125         }
 126
 127         private class StylesheetLabelProvider extends LabelProvider {
 128
 129                 /*
 130                  * (non-Javadoc)
 131                  * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
 132                  */
 133                 @Override
 134                 public String getText(Object element) {
 135                         if(element instanceof File){
 136                                 File file = (File) element;
 137                                 if(file.exists()){
 138                                         return file.getAbsolutePath();
 139                                 }
 140                         }
 141                         return "no title cache";
 142                 }
 143
 144         }
 145 }