Example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement

List of usage examples for org.eclipse.jface.viewers IStructuredSelection getFirstElement

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement.

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:ca.edchipman.silverstripepdt.wizards.NewSilverStripeTemplatesWizardPage.java

License:Open Source License

/**
 * Get the currently selected template.//from w  ww. j  a v a  2  s. c o m
 * 
 * @return
 */
private Template getSelectedTemplate() {
    Template template = null;
    IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();

    if (selection.size() == 1) {
        template = (Template) selection.getFirstElement();
    }
    return template;
}

From source file:ca.hc11337.gui.fileselector.HC11337FileSelector.java

License:Open Source License

public HC11337FileSelector(Composite parent, HC11337Controller controller, int style) {
    fileViewer = new TableViewer(parent, style);
    TableLayout layout = new TableLayout();
    layout.addColumnData(new ColumnWeightData(100, true));
    fileViewer.getTable().setLayout(layout);
    fileViewer.getTable().setHeaderVisible(true);
    fileViewer.setContentProvider(new FileSelectorContentProvider());
    fileViewer.setLabelProvider(new FileSelectorLabelProvider());
    fileViewer.setInput(new File("workspace"));

    class DoubleClickListener implements IDoubleClickListener {
        private HC11337Controller controller;

        public DoubleClickListener(HC11337Controller controller) {
            this.controller = controller;
        }//from   ww w  . j  a  va2s.  co  m

        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            File file = (File) selection.getFirstElement();
            if (getExtension(file).equals("asm")) {
                controller.openFile(file);
                File binary = new File("workspace/" + getNameMinusExtension(file) + ".s19");
                controller.loadBinary(binary);
            } else
                controller.loadBinary(file);
        }

        private String getNameMinusExtension(File file) {
            String nameExt = file.getName();
            String ext = getExtension(file);
            return nameExt.substring(0, nameExt.length() - ext.length() - 1);
        }

        private String getExtension(File file) {
            String name = file.getName();
            String extension = "";
            int i = name.length() - 1;
            do {
                extension = name.charAt(i) + extension;
                i--;
            } while (name.charAt(i) != '.');

            return extension.toLowerCase();
        }
    }

    fileViewer.addDoubleClickListener(new DoubleClickListener(controller));

    TableColumn column1 = new TableColumn(fileViewer.getTable(), SWT.LEFT);
    column1.setText("Source Files");
}

From source file:ca.mcgill.cs.swevo.ppa.ui.actions.PPAOnCuAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection sSelection = (IStructuredSelection) selection;
    if (!sSelection.isEmpty()) {
        icu = (ICompilationUnit) sSelection.getFirstElement();
    }//from w ww.  ja  va 2  s .  com
}

From source file:ca.mcgill.cs.swevo.ppa.ui.actions.PPAOnFileAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection sSelection = (IStructuredSelection) selection;
    if (!sSelection.isEmpty()) {
        file = (IFile) sSelection.getFirstElement();
    }/*  w  w w .j  a v  a2s  . c om*/
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * The action to take if remove code is selected (on the tree).
 * @return/*  ww w .ja va  2s  . c o m*/
 */
private SelectionAdapter removeCodeSelected() {
    return new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
            Node node = (Node) selection.getFirstElement();

            boolean check = true;
            if (!node.getChildren().isEmpty()) {
                check = MessageDialog.openConfirm(getSite().getShell(),
                        Messages.getString("editors.pages.CodeEditorPage.removeCode"), //$NON-NLS-1$
                        Messages.getString("editors.pages.CodeEditorPage.removeConfirm")); //$NON-NLS-1$ 
            }

            if (check) {
                fTreeModel.removeNode(node);
                fTreeModel.getRoot().computeFreq();
                fTreeViewer.refresh();
                if (fFilterButton.getSelection()) {
                    fTableViewer.refresh();
                }
                setDirty();
            }
        }
    };
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * The action to take if New Sub-Code is selected (on the tree).
 * @return/*  ww w  .j  a  va2  s.  com*/
 */
private SelectionListener createSubCodeSelected() {
    return new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
            Node node = (Node) selection.getFirstElement();

            if (node == null) {
                return;
            }

            NewCodeDialog dialog = new NewCodeDialog(getEditor().getSite().getShell(), fProject);
            dialog.create();
            if (dialog.open() == Window.OK) {
                Code code = Facade.getInstance().createCode(dialog.getName(), dialog.getDescription(),
                        fProject);
                CommonNavigator view = (CommonNavigator) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                        .getActivePage().findView(QualyzerActivator.PROJECT_EXPLORER_VIEW_ID);
                view.getCommonViewer().refresh();

                new Node(node, code.getCodeName(), code.getPersistenceId(), 0);
                fTreeViewer.refresh();
                fTreeViewer.expandToLevel(node, 1);
                if (fFilterButton.getSelection()) {
                    fTableViewer.refresh();
                }
                setDirty();
            }
        }
    };
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * The action to take on double click on the table.
 * @return/* ww w  .ja  va 2  s  .com*/
 */
private IDoubleClickListener createDoubleClickListenerTable() {
    return new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
            CodeTableRow row = (CodeTableRow) selection.getFirstElement();
            Code code = row.getCode();

            if (code != null) {
                ResourcesUtil.openEditor(getSite().getPage(), code);
            }
        }
    };
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * The double click action on the tree.//from w ww.j  av a  2 s  . co m
 * @return
 */
private IDoubleClickListener createDoubleClickListenerTree() {
    return new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            Code toView = null;
            if (fFilterButton.getSelection()) {
                Node node = (Node) ((IStructuredSelection) fTreeViewer.getSelection()).getFirstElement();
                for (Code aCode : fProject.getCodes()) {
                    if (aCode.getCodeName().equals(node.getCodeName())) {
                        toView = aCode;
                        break;
                    }
                }
            } else {
                IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
                toView = ((CodeTableRow) selection.getFirstElement()).getCode();
            }

            if (toView != null) {
                ResourcesUtil.openEditor(getSite().getPage(), toView);
            }
        }
    };
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * The action taken when rename code is selected on the table.
 * @return// w  w  w  . j  a va2  s  . c om
 */
private SelectionListener renameCodeSelected() {
    return new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
            Code code = ((CodeTableRow) selection.getFirstElement()).getCode();

            RenameCodeDialog dialog = new RenameCodeDialog(getSite().getShell(), code);
            dialog.open();
            if (dialog.getReturnCode() == Window.OK) {
                String name = dialog.getName();
                code.setCodeName(name);
                Facade.getInstance().saveCodes(new Code[] { code });
                CommonNavigator view = (CommonNavigator) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                        .getActivePage().findView(QualyzerActivator.PROJECT_EXPLORER_VIEW_ID);
                view.getCommonViewer().refresh();
            }
        }
    };
}

From source file:ca.mcgill.cs.swevo.qualyzer.editors.pages.CodeEditorPage.java

License:Open Source License

/**
 * Handles the selection of the Delete Code Action on the table.
 * Checks if there are any memos stopping the deletion.
 * Then finds all the fragments that contain the code.
 * Displays a warning/confirmation.//from  w  ww .j  a  v a2s .  c  om
 * Removes the code from all associated fragments and then deletes the code.
 * @return
 */
private SelectionAdapter deleteCodeSelected() {
    return new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
            Code toDelete = ((CodeTableRow) selection.getFirstElement()).getCode();

            List<Memo> hardConflicts = detectHardConflicts(toDelete);
            if (!hardConflicts.isEmpty()) {
                String message = buildErrorString(hardConflicts);
                MessageDialog.openError(getSite().getShell(),
                        Messages.getString("editors.pages.CodeEditorPage.unableToDelete"), message); //$NON-NLS-1$
                return;
            }

            List<Fragment> conflicts = detectConflicts(toDelete);
            boolean check = false;

            check = MessageDialog.openConfirm(getSite().getShell(), DELETE_CODE,
                    getConfirmMessage(conflicts.size()));
            if (check && conflicts.size() > 0) {
                removeCodeFromFragments(toDelete, conflicts);
            }
            if (check) {
                Facade.getInstance().deleteCode(toDelete);
                CommonNavigator view = (CommonNavigator) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                        .getActivePage().findView(QualyzerActivator.PROJECT_EXPLORER_VIEW_ID);
                view.getCommonViewer().refresh();
            }
        }
    };
}