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

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

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Introduction

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

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.archimatetool.editor.views.tree.TreeModelViewerDragDropHandler.java

License:Open Source License

/**
 * Determine whether we have a valid selection of objects dragged from the Tree
 * Do it at the start of the drag operation for optimal speed.
 *//*from ww w . ja  v  a 2  s.  c om*/
boolean isValidTreeSelection(IStructuredSelection selection) {
    if (selection == null || selection.isEmpty()) {
        return false;
    }

    IArchimateModel model = null;

    for (Object object : selection.toArray()) {
        // Can't drag Models
        if (object instanceof IArchimateModel) {
            return false;
        }
        // Can only drag user folders
        if (object instanceof IFolder && ((IFolder) object).getType() != FolderType.USER) {
            return false;
        }
        // Don't allow mixed parent models
        if (object instanceof IArchimateModelElement) {
            IArchimateModel m = ((IArchimateModelElement) object).getArchimateModel();
            if (model != null && m != model) {
                return false;
            }
            model = m;
        }
    }

    return true;
}

From source file:com.arm.cmsis.pack.installer.ui.views.PacksView.java

License:Open Source License

ICpPack getPackItem() {
    IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
    if (selection == null || selection.isEmpty()) {
        return null;
    }// www  .  j  a  v a2  s. com
    Object obj = selection.getFirstElement();
    if (obj instanceof ICpPack) {
        return (ICpPack) obj;
    }
    return null;
}

From source file:com.astra.ses.spell.gui.dialogs.DictionaryEditorDialog.java

License:Open Source License

/***************************************************************************
 * /*from   w  w w. j  av a  2  s .c o  m*/
 **************************************************************************/
@SuppressWarnings("unchecked")
private void doMergeSelected() {
    List<TypedVariable> selected = new ArrayList<TypedVariable>();
    IStructuredSelection sel = (IStructuredSelection) m_fileTable.getSelection();
    if (!sel.isEmpty()) {
        selected.addAll(sel.toList());
        mergeVariables(selected);
    }
}

From source file:com.astra.ses.spell.gui.dialogs.ServerFileSaveDialog.java

License:Open Source License

/***************************************************************************
 * Create the dialog area contents.//from w ww .  java2  s.  c o m
 * 
 * @param parent
 *            The base composite of the dialog
 * @return The resulting contents
 **************************************************************************/
@Override
protected Control createDialogArea(Composite parent) {
    // Main composite of the dialog area -----------------------------------
    Composite top = new Composite(parent, SWT.NONE);
    GridData areaData = new GridData(GridData.FILL_BOTH);
    areaData.widthHint = 600;
    areaData.heightHint = 400;
    top.setLayoutData(areaData);
    GridLayout layout = new GridLayout();
    layout.numColumns = 1;
    layout.verticalSpacing = 10;
    top.setLayout(layout);

    m_fileName = new Text(top, SWT.BORDER);
    m_fileName.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    m_fileName.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent ev) {
            IStructuredSelection isel = (IStructuredSelection) m_viewer.getSelection();
            if (isel == null || isel.isEmpty()) {
                setErrorMessage("Must select a directory: only file name given");
                getButton(IDialogConstants.OK_ID).setEnabled(false);
            } else {
                Object selected = isel.getFirstElement();
                if (selected instanceof DirectoryTree) {
                    String filename = m_fileName.getText().trim();
                    if (filename.isEmpty()) {
                        setErrorMessage("Must provide a file name, or select an existing file.");
                        getButton(IDialogConstants.OK_ID).setEnabled(false);
                    } else {
                        setErrorMessage(null);
                        getButton(IDialogConstants.OK_ID).setEnabled(true);
                        DirectoryTree dir = (DirectoryTree) selected;
                        m_path = dir.getPath() + "/" + filename;
                        setMessage("File: '" + m_path + "'");
                    }
                } else {
                    DirectoryFile file = (DirectoryFile) selected;
                    final DirectoryTree parent = file.getParent();
                    m_viewer.setSelection(new IStructuredSelection() {
                        @Override
                        public boolean isEmpty() {
                            return false;
                        }

                        @Override
                        public Object getFirstElement() {
                            return parent;
                        };

                        @SuppressWarnings("rawtypes")
                        @Override
                        public Iterator iterator() {
                            return null;
                        }

                        @Override
                        public int size() {
                            return 1;
                        }

                        @Override
                        public Object[] toArray() {
                            DirectoryTree[] array = new DirectoryTree[1];
                            array[0] = parent;
                            return array;
                        }

                        @SuppressWarnings("rawtypes")
                        @Override
                        public List toList() {
                            return Arrays.asList(toArray());
                        }

                    });
                }
            }
        }
    });

    m_viewer = new ServerDirectoryTreeViewer(top);
    m_viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    m_viewer.setInput(m_tree);
    m_viewer.refresh();

    m_viewer.addSelectionChangedListener(this);

    setErrorMessage("Must select a directory and provide a file name, or select an existing file.");

    return parent;
}

From source file:com.astra.ses.spell.gui.dialogs.ServerFileSaveDialog.java

License:Open Source License

@Override
public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection isel = (IStructuredSelection) m_viewer.getSelection();
    if (isel == null || isel.isEmpty()) {
        setErrorMessage("Must select a directory and provide a file name, or select an existing file.");
        getButton(IDialogConstants.OK_ID).setEnabled(false);
    } else {/*  w  ww. jav  a 2  s .  co  m*/
        Object selected = isel.getFirstElement();
        if (selected instanceof DirectoryTree) {
            String filename = m_fileName.getText().trim();
            if (filename.isEmpty()) {
                setErrorMessage("Must provide a file name, or select an existing file.");
                getButton(IDialogConstants.OK_ID).setEnabled(false);
            } else {
                setErrorMessage(null);
                getButton(IDialogConstants.OK_ID).setEnabled(true);
                DirectoryTree dir = (DirectoryTree) selected;
                m_path = dir.getPath() + "/" + filename;
                setMessage("File: '" + m_path + "'");
            }
        } else {
            setErrorMessage(null);
            m_path = ((DirectoryFile) selected).getAbsolutePath();
            m_fileName.setText(((DirectoryFile) selected).getFilename());
            setMessage("File: '" + m_path + "'");
            getButton(IDialogConstants.OK_ID).setEnabled(true);
        }
    }
}

From source file:com.astra.ses.spell.gui.replay.dialogs.ExecutionSelectionDialog.java

License:Open Source License

/***************************************************************************
 * /*from   w  w w . j  a va  2 s  .  c  o  m*/
 **************************************************************************/
@Override
public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection sel = (IStructuredSelection) event.getSelection();
    if (sel.isEmpty()) {
        getButton(IDialogConstants.OK_ID).setEnabled(false);
        getButton(SAVE_ID).setEnabled(false);
    } else {
        if (sel.getFirstElement() instanceof ExecutionSelectionLeafNode) {
            m_selection = (ExecutionSelectionLeafNode) sel.getFirstElement();
            getButton(IDialogConstants.OK_ID).setEnabled(true);
            getButton(SAVE_ID).setEnabled(true);
        } else {
            m_selection = null;
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            getButton(SAVE_ID).setEnabled(false);
        }
    }
}

From source file:com.astra.ses.spell.gui.shared.views.controls.ScopeTab.java

License:Open Source License

/***************************************************************************
 * //from   w w w  .j a va 2 s. com
 **************************************************************************/
public ScopeTab(TabFolder parent, ISharedScope table, SharedVariablesView view, boolean monitoringMode) {
    super(parent, SWT.NONE);

    Logger.debug("Created tab: " + table.getScopeName(), Level.GUI, this);

    m_table = table;
    m_view = view;
    m_monitoringMode = monitoringMode;

    Composite top = new Composite(parent, SWT.NONE);
    top.setLayout(new GridLayout(isGlobal() ? 4 : 5, true));
    top.setLayoutData(new GridData(GridData.FILL_BOTH));

    m_viewer = new SharedVariablesTableViewer(top, table, monitoringMode);
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.horizontalSpan = isGlobal() ? 4 : 5;
    m_viewer.getControl().setLayoutData(gd);
    m_viewer.addSelectionChangedListener(this);

    if (isGlobal()) {
        setText("GLOBAL");
    } else {
        setText(m_table.getScopeName());
    }

    m_btnNew = new Button(top, SWT.PUSH);
    m_btnNew.setText("New variable");
    m_btnNew.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    m_btnNew.setEnabled(false);
    m_btnNew.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent ev) {
            SharedVariableDialog dialog = new SharedVariableDialog(m_viewer.getControl().getShell(), true, "",
                    "");
            if (dialog.open() == IDialogConstants.OK_ID) {
                String key = dialog.getKey();
                String value = dialog.getValue();
                if (!key.trim().isEmpty() && !value.trim().isEmpty()) {
                    m_table.set(dialog.getKey(), dialog.getValue());
                    refresh();
                }
            }
        }
    });

    m_btnDel = new Button(top, SWT.PUSH);
    m_btnDel.setText("Delete variable");
    m_btnDel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    m_btnDel.setEnabled(false);
    m_btnDel.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent ev) {
            IStructuredSelection sel = (IStructuredSelection) m_viewer.getSelection();
            if (!sel.isEmpty()) {
                @SuppressWarnings("rawtypes")
                Iterator it = sel.iterator();
                String toDeleteText = "Are you sure to delete the following shared variables?\n\n";
                List<SharedVariable> toDelete = new LinkedList<SharedVariable>();
                while (it.hasNext()) {
                    SharedVariable var = (SharedVariable) it.next();
                    toDelete.add(var);
                    toDeleteText += "  - " + var.name + "\n";
                }
                if (MessageDialog.openConfirm(m_viewer.getControl().getShell(), "Delete shared variables",
                        toDeleteText)) {
                    ClearSharedVariablesJob job = new ClearSharedVariablesJob(m_table, toDelete);
                    CommandHelper.executeInProgress(job, true, true);
                    refresh();
                }
            }
        }
    });

    m_btnClear = new Button(top, SWT.PUSH);
    m_btnClear.setText("Remove all variables");
    m_btnClear.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    m_btnClear.setEnabled(false);
    m_btnClear.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent ev) {
            String text = "This action will remove all shared variables in the scope.\n\nDo you want to proceed?";
            if (MessageDialog.openConfirm(m_viewer.getControl().getShell(), "Delete shared variables", text)) {
                ClearSharedVariablesJob job = new ClearSharedVariablesJob(m_table);
                CommandHelper.executeInProgress(job, true, true);
                refresh();
            }
        }
    });

    Button refreshScope = new Button(top, SWT.PUSH);
    refreshScope.setText("Refresh variables");
    refreshScope.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    refreshScope.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent ev) {
            Logger.debug("Refreshing tab: " + m_table.getScopeName(), Level.GUI, this);
            RefreshSharedVariablesJob job = new RefreshSharedVariablesJob(m_table);
            CommandHelper.executeInProgress(job, true, true);
            refresh();
        }
    });

    if (!isGlobal()) {
        m_btnRemove = new Button(top, SWT.PUSH);
        m_btnRemove.setText("Remove scope");
        m_btnRemove.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        m_btnRemove.setEnabled(false);
        m_btnRemove.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent ev) {
                String text = "This action will completely remove the scope and its variables.\n\nDo you want to proceed?";
                if (MessageDialog.openConfirm(m_viewer.getControl().getShell(), "Delete shared variables",
                        text)) {
                    ISharedDataService svc = (ISharedDataService) ServiceManager.get(ISharedDataService.class);
                    svc.removeSharedScope(m_table.getScopeName());
                    m_view.removeScope(m_table.getScopeName());
                }
            }
        });
    }

    if (!monitoringMode) {
        m_btnNew.setEnabled(true);
        m_btnClear.setEnabled(true);
        if (!isGlobal())
            m_btnRemove.setEnabled(true);
    }

    setControl(top);
}

From source file:com.astra.ses.spell.gui.views.controls.master.CurrentExecutorsTable.java

License:Open Source License

/***************************************************************************
 * Get the selected procedure//from w ww.j  a  va  2 s  . c  o  m
 **************************************************************************/
public String[] getSelectedProcedures() {
    ArrayList<String> ids = new ArrayList<String>();
    IStructuredSelection sel = (IStructuredSelection) getSelection();
    if (!sel.isEmpty()) {
        @SuppressWarnings("unchecked")
        Iterator<IProcedure> it = sel.iterator();
        while (it.hasNext()) {
            Object proc = it.next();
            if (proc instanceof IProcedure) {
                ids.add(((IProcedure) proc).getProcId());
            } else if (proc instanceof IExecutorInfo) {
                ids.add(((IExecutorInfo) proc).getProcId());
            }
        }
    }
    return ids.toArray(new String[0]);
}

From source file:com.astra.ses.spell.gui.views.controls.master.executors.ExecutorsTable.java

License:Open Source License

/***************************************************************************
 * Get all selected procedures/* w w w . j  a  v  a  2s. c  o  m*/
 **************************************************************************/
@Override
public String[] getSelectedProcedures() {
    ArrayList<String> ids = new ArrayList<String>();
    IStructuredSelection sel = (IStructuredSelection) getSelection();
    if (!sel.isEmpty()) {
        @SuppressWarnings("unchecked")
        Iterator<IProcedure> it = sel.iterator();
        while (it.hasNext()) {
            Object proc = it.next();
            if (proc instanceof IProcedure) {
                ids.add(((IProcedure) proc).getProcId());
            } else if (proc instanceof IExecutorInfo) {
                ids.add(((IExecutorInfo) proc).getProcId());
            }
        }
    }
    return ids.toArray(new String[0]);
}

From source file:com.astra.ses.spell.gui.views.controls.master.recovery.RecoveryTable.java

License:Open Source License

/***************************************************************************
 * Get the selected procedure//from   w  w  w  .j  a v  a  2s. c  o  m
 **************************************************************************/
public ProcedureRecoveryInfo[] getSelectedProcedures() {
    ArrayList<ProcedureRecoveryInfo> ids = new ArrayList<ProcedureRecoveryInfo>();
    IStructuredSelection sel = (IStructuredSelection) getSelection();
    if (!sel.isEmpty()) {
        @SuppressWarnings("unchecked")
        Iterator<ProcedureRecoveryInfo> it = sel.iterator();
        while (it.hasNext()) {
            Object proc = it.next();
            ids.add((ProcedureRecoveryInfo) proc);
        }
    }
    return ids.toArray(new ProcedureRecoveryInfo[0]);
}