Examples with Sequence org.apache.pivot.collections.Sequence used on opensource projects

Example 1 with Sequence

use of org.apache.pivot.collections.Sequence in project pivot by apache.

the class BXMLExplorerDocument method analyseObjectTree.

@SuppressWarnings("unchecked")
private TreeNode analyseObjectTree(Object container) {
    // doesn't look neat
    if (container instanceof TablePane) {
        TreeBranch branch = new TreeBranch(nameForObject(container));
        TablePane table = (TablePane) container;
        for (TablePane.Row row : table.getRows()) {
            TreeNode childBranch = analyseObjectTree(row);
            branch.add(childBranch);
        }
        setComponentIconOnTreeNode(container, branch);
        return branch;
    }
    // We don't want to analyse the components that are added as part of the
    // skin, so use similar logic to BXMLSerializer
    DefaultProperty defaultProperty = container.getClass().getAnnotation(DefaultProperty.class);
    if (defaultProperty != null) {
        TreeBranch branch = new TreeBranch(nameForObject(container));
        String defaultPropertyName = defaultProperty.value();
        BeanAdapter beanAdapter = new BeanAdapter(container);
        if (!beanAdapter.containsKey(defaultPropertyName)) {
            throw new IllegalStateException("default property " + defaultPropertyName + " not found on " + container);
        }
        Object defaultPropertyValue = beanAdapter.get(defaultPropertyName);
        if (defaultPropertyValue != null) {
            if (defaultPropertyValue instanceof Component) {
                TreeNode childBranch = analyseObjectTree(defaultPropertyValue);
                branch.add(childBranch);
            }
        }
        // so make empty branches into nodes.
        if (branch.isEmpty()) {
            TreeNode node = new TreeNode(branch.getText());
            setComponentIconOnTreeNode(container, node);
            return node;
        }
        setComponentIconOnTreeNode(container, branch);
        return branch;
    }
    if (container instanceof Sequence<?>) {
        TreeBranch branch = new TreeBranch(nameForObject(container));
        Iterable<Object> sequence = (Iterable<Object>) container;
        for (Object child : sequence) {
            TreeNode childBranch = analyseObjectTree(child);
            branch.add(childBranch);
        }
        setComponentIconOnTreeNode(container, branch);
        return branch;
    }
    TreeNode node = new TreeNode(nameForObject(container));
    setComponentIconOnTreeNode(container, node);
    return node;
}

Example 2 with Sequence

use of org.apache.pivot.collections.Sequence in project pivot by apache.

the class ListViews method initialize.

@Override
public void initialize(Map<String, Object> namespace, URL location, Resources resources) {
    selectionLabel = (Label) namespace.get("selectionLabel");
    listView = (ListView) namespace.get("listView");
    listView.getListViewSelectionListeners().add(new ListViewSelectionListener() {

        @Override
        public void selectedRangeAdded(ListView listViewArgument, int rangeStart, int rangeEnd) {
            updateSelection(listViewArgument);
        }

        @Override
        public void selectedRangeRemoved(ListView listViewArgument, int rangeStart, int rangeEnd) {
            updateSelection(listViewArgument);
        }

        @Override
        public void selectedRangesChanged(ListView listViewArgument, Sequence<Span> previousSelectedRanges) {
            if (previousSelectedRanges != null && previousSelectedRanges != listViewArgument.getSelectedRanges()) {
                updateSelection(listViewArgument);
            }
        }

        @Override
        public void selectedItemChanged(ListView listViewArgument, Object previousSelectedItem) {
        // No-op
        }

        private void updateSelection(ListView listViewArgument) {
            // TODO: in future use StringBuffer instead ...
            String selectionText = "";
            Sequence<Span> selectedRanges = listViewArgument.getSelectedRanges();
            for (int i = 0, n = selectedRanges.getLength(); i < n; i++) {
                Span selectedRange = selectedRanges.get(i);
                for (int j = selectedRange.start; j <= selectedRange.end; j++) {
                    if (selectionText.length() > 0) {
                        selectionText += ", ";
                    }
                    Object item = listViewArgument.getListData().get(j);
                    String text;
                    if (item instanceof ListItem) {
                        // item is a listItem
                        // (for example because
                        // it has an image)
                        text = ((ListItem) item).getText();
                    } else {
                        // item is a standard item for listData
                        text = item.toString();
                    }
                    selectionText += text;
                }
            }
            selectionLabel.setText(selectionText);
        }
    });
}

Example 3 with Sequence

use of org.apache.pivot.collections.Sequence in project pivot by apache.

the class JSON method put.

/**
 * Sets the value at the given path.
 *
 * @param <T> The type of value we're dealing with.
 * @param root The root object.
 * @param path The path to the desired location from the root.
 * @param value The new value to set at the given path.
 * @return The value previously associated with the path.
 */
@SuppressWarnings("unchecked")
public static <T> T put(Object root, String path, T value) {
    Utils.checkNull(root, "root");
    Sequence<String> keys = parse(path);
    if (keys.getLength() == 0) {
        throw new IllegalArgumentException("Path is empty.");
    }
    String key = keys.remove(keys.getLength() - 1, 1).get(0);
    Object parent = get(root, keys);
    if (parent == null) {
        throw new IllegalArgumentException("Invalid path.");
    }
    Map<String, T> adapter = (Map<String, T>) (parent instanceof java.util.Map ? new MapAdapter<>((java.util.Map<String, T>) parent) : (parent instanceof Map ? ((Map<String, T>) parent) : new BeanAdapter(parent)));
    Object previousValue;
    if (adapter.containsKey(key)) {
        previousValue = adapter.put(key, value);
    } else if (parent instanceof Sequence<?>) {
        Sequence<Object> sequence = (Sequence<Object>) parent;
        previousValue = sequence.update(Integer.parseInt(key), value);
    } else if (parent instanceof Dictionary<?, ?>) {
        Dictionary<String, Object> dictionary = (Dictionary<String, Object>) parent;
        previousValue = dictionary.put(key, value);
    } else {
        throw new IllegalArgumentException("Property \"" + key + "\" not found.");
    }
    return (T) previousValue;
}

Example 4 with Sequence

use of org.apache.pivot.collections.Sequence in project pivot by apache.

the class JSON method containsKey.

/**
 * Tests the existence of a path in a given object.
 *
 * @param <T> The type of value we're dealing with.
 * @param root The root object.
 * @param path The path to test (from the root).
 * @return <tt>true</tt> if the path exists; <tt>false</tt>, otherwise.
 */
@SuppressWarnings("unchecked")
public static <T> boolean containsKey(Object root, String path) {
    Utils.checkNull(root, "root");
    Sequence<String> keys = parse(path);
    if (keys.getLength() == 0) {
        throw new IllegalArgumentException("Path is empty.");
    }
    String key = keys.remove(keys.getLength() - 1, 1).get(0);
    Object parent = get(root, keys);
    boolean containsKey;
    if (parent == null) {
        containsKey = false;
    } else {
        Map<String, T> adapter = (Map<String, T>) (parent instanceof java.util.Map ? new MapAdapter<>((java.util.Map<String, T>) parent) : (parent instanceof Map ? ((Map<String, T>) parent) : new BeanAdapter(parent)));
        containsKey = adapter.containsKey(key);
        if (!containsKey) {
            if (parent instanceof Sequence<?>) {
                Sequence<Object> sequence = (Sequence<Object>) parent;
                containsKey = (sequence.getLength() > Integer.parseInt(key));
            } else if (parent instanceof Dictionary<?, ?>) {
                Dictionary<String, Object> dictionary = (Dictionary<String, Object>) parent;
                containsKey = dictionary.containsKey(key);
            } else {
                throw new IllegalArgumentException("Property \"" + key + "\" not found.");
            }
        }
    }
    return containsKey;
}

Example 5 with Sequence

use of org.apache.pivot.collections.Sequence in project pivot by apache.

the class FileDropTargetDemo method initialize.

@Override
public void initialize(Map<String, Object> namespace, URL location, Resources resources) {
    fileList = new FileList();
    fileTableView.setTableData(fileList);
    fileList.getListListeners().add(new ListListener<File>() {

        @Override
        public void itemInserted(List<File> list, int index) {
            uploadButton.setEnabled(list.getLength() > 0);
        }

        @Override
        public void itemsRemoved(List<File> list, int index, Sequence<File> files) {
            uploadButton.setEnabled(list.getLength() > 0);
            if (fileTableView.isFocused() && index < list.getLength()) {
                fileTableView.setSelectedIndex(index);
            }
        }
    });
    fileTableView.getComponentKeyListeners().add(new ComponentKeyListener() {

        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            if (keyCode == Keyboard.KeyCode.DELETE || keyCode == Keyboard.KeyCode.BACKSPACE) {
                Sequence<Span> selectedRanges = fileTableView.getSelectedRanges();
                for (int i = selectedRanges.getLength() - 1; i >= 0; i--) {
                    Span range = selectedRanges.get(i);
                    int index = range.start;
                    int count = range.end - index + 1;
                    fileList.remove(index, count);
                }
            }
            return false;
        }
    });
    fileTableView.setDropTarget(new DropTarget() {

        @Override
        public DropAction dragEnter(Component component, Manifest dragContent, int supportedDropActions, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList() && DropAction.COPY.isSelected(supportedDropActions)) {
                dropAction = DropAction.COPY;
            }
            return dropAction;
        }

        @Override
        public void dragExit(Component component) {
        // empty block
        }

        @Override
        public DropAction dragMove(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction userDropActionChange(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            return (dragContent.containsFileList() ? DropAction.COPY : null);
        }

        @Override
        public DropAction drop(Component component, Manifest dragContent, int supportedDropActions, int x, int y, DropAction userDropAction) {
            DropAction dropAction = null;
            if (dragContent.containsFileList()) {
                try {
                    FileList tableData = (FileList) fileTableView.getTableData();
                    FileList fileListLocal = dragContent.getFileList();
                    for (File file : fileListLocal) {
                        if (file.isDirectory()) {
                        // TODO Expand recursively
                        }
                        tableData.add(file);
                    }
                    dropAction = DropAction.COPY;
                } catch (IOException exception) {
                    System.err.println(exception);
                }
            }
            dragExit(component);
            return dropAction;
        }
    });
    uploadButton.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            Prompt.prompt(MessageType.INFO, "Pretending to upload...", FileDropTargetDemo.this);
        }
    });
}