Examples with ListView org.apache.pivot.wtk.ListView used on opensource projects

Example 6 with ListView

use of org.apache.pivot.wtk.ListView in project pivot by apache.

the class CheckedListViewTest method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    BXMLSerializer serializer = new BXMLSerializer();
    mainWindow = (Window) serializer.readObject(CheckedListViewTest.class, "checked_list_view_test.bxml");
    serializer.bind(this);
    allowMixedStateCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setAllowTriStateCheckmarks(button.isSelected());
            // Not sure why, but changing this setting clears all the checks but doesn't
            // trigger the item state listener (it's documented, but ...)
            selectedItemsLabel.setText("");
        }
    });
    showMixedAsSelectedCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setCheckmarksMixedAsChecked(button.isSelected());
        }
    });
    listView.getComponentKeyListeners().add(new ComponentKeyListener() {

        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            if (keyCode == Keyboard.KeyCode.DELETE) {
                @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
                Sequence<Span> selectedRanges = listView.getSelectedRanges();
                for (int i = selectedRanges.getLength() - 1; i >= 0; i--) {
                    Span selectedRange = selectedRanges.get(i);
                    listData.remove(selectedRange.start, selectedRange.end - selectedRange.start + 1);
                }
            }
            return false;
        }
    });
    listView.getListViewItemStateListeners().add(new ListViewItemStateListener() {

        private void displayCheckedItems(ListView listView) {
            List<?> listData = listView.getListData();
            StringBuffer buf = new StringBuffer();
            for (Integer i : listView.getCheckedIndexes()) {
                if (buf.length() > 0) {
                    buf.append(",");
                }
                Object item = listData.get(i);
                buf.append(item.toString());
            }
            selectedItemsLabel.setText(buf.toString());
        }

        @Override
        public void itemCheckedChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }

        @Override
        public void itemCheckedStateChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }
    });
    listView.setItemChecked(0, true);
    listView.setItemChecked(2, true);
    mainWindow.open(display);
}

Example 7 with ListView

use of org.apache.pivot.wtk.ListView in project pivot by apache.

the class TerraListViewSkin method getPreferredHeight.

@Override
public int getPreferredHeight(int width) {
    int preferredHeight = 0;
    ListView listView = (ListView) getComponent();
    @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
    ListView.ItemRenderer itemRenderer = listView.getItemRenderer();
    if (variableItemHeight) {
        int clientWidth = width;
        if (listView.getCheckmarksEnabled()) {
            clientWidth = Math.max(clientWidth - (CHECKBOX.getWidth() + checkboxPadding.getWidth()), 0);
        }
        int index = 0;
        for (Object item : listData) {
            itemRenderer.render(item, index++, listView, false, Button.State.UNSELECTED, false, false);
            preferredHeight += itemRenderer.getPreferredHeight(clientWidth);
        }
    } else {
        itemRenderer.render(null, -1, listView, false, Button.State.UNSELECTED, false, false);
        int fixedItemHeightLocal = itemRenderer.getPreferredHeight(-1);
        if (listView.getCheckmarksEnabled()) {
            fixedItemHeightLocal = Math.max(CHECKBOX.getHeight() + checkboxPadding.getHeight(), fixedItemHeightLocal);
        }
        preferredHeight = listData.getLength() * fixedItemHeightLocal;
    }
    return preferredHeight;
}

Example 8 with ListView

use of org.apache.pivot.wtk.ListView in project pivot by apache.

the class TerraListViewSkin method keyTyped.

/**
 * Select the next enabled list item where the first character of the
 * rendered text matches the typed key (case insensitive).
 */
@Override
public boolean keyTyped(Component component, char character) {
    boolean consumed = super.keyTyped(component, character);
    ListView listView = (ListView) getComponent();
    List<?> listData = listView.getListData();
    ListView.ItemRenderer itemRenderer = listView.getItemRenderer();
    char characterUpper = Character.toUpperCase(character);
    for (int i = listView.getLastSelectedIndex() + 1, n = listData.getLength(); i < n; i++) {
        if (!listView.isItemDisabled(i)) {
            String string = itemRenderer.toString(listData.get(i));
            if (string != null && string.length() > 0) {
                char first = Character.toUpperCase(string.charAt(0));
                if (first == characterUpper) {
                    listView.setSelectedIndex(i);
                    consumed = true;
                    break;
                }
            }
        }
    }
    if (!consumed && wrapSelectNext) {
        for (int i = 0, n = listData.getLength(); i < n; i++) {
            if (!listView.isItemDisabled(i)) {
                String string = itemRenderer.toString(listData.get(i));
                if (string != null && string.length() > 0) {
                    char first = Character.toUpperCase(string.charAt(0));
                    if (first == characterUpper) {
                        listView.setSelectedIndex(i);
                        consumed = true;
                        break;
                    }
                }
            }
        }
    }
    return consumed;
}

Example 9 with ListView

use of org.apache.pivot.wtk.ListView in project pivot by apache.

the class TerraListViewSkin method mouseClick.

@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
    boolean consumed = super.mouseClick(component, button, x, y, count);
    ListView listView = (ListView) getComponent();
    int itemIndex = getItemAt(y);
    if (itemIndex != -1 && !listView.isItemDisabled(itemIndex)) {
        if (listView.getCheckmarksEnabled() && !listView.isCheckmarkDisabled(itemIndex) && getCheckboxBounds(itemIndex).contains(x, y)) {
            if (listView.getAllowTriStateCheckmarks()) {
                Button.State currentState = listView.getItemCheckmarkState(itemIndex);
                Button.State nextState = currentState;
                switch(currentState) {
                    case UNSELECTED:
                        if (listView.getCheckmarksMixedAsChecked()) {
                            nextState = Button.State.SELECTED;
                        } else {
                            nextState = Button.State.MIXED;
                        }
                        break;
                    case MIXED:
                        nextState = Button.State.SELECTED;
                        break;
                    case SELECTED:
                        nextState = Button.State.UNSELECTED;
                        break;
                }
                listView.setItemCheckmarkState(itemIndex, nextState);
            } else {
                listView.setItemChecked(itemIndex, !listView.isItemChecked(itemIndex));
            }
        } else {
            if (selectIndex != -1 && count == 1 && button == Mouse.Button.LEFT) {
                ListView.ItemEditor itemEditor = listView.getItemEditor();
                if (itemEditor != null) {
                    if (itemEditor.isEditing()) {
                        itemEditor.endEdit(true);
                    }
                    itemEditor.beginEdit(listView, selectIndex);
                }
            }
        }
    }
    selectIndex = -1;
    return consumed;
}

Example 10 with ListView

use of org.apache.pivot.wtk.ListView in project pivot by apache.

the class TerraListViewSkin method getPreferredWidth.

@Override
public int getPreferredWidth(int height) {
    int preferredWidth = 0;
    ListView listView = (ListView) getComponent();
    @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
    ListView.ItemRenderer itemRenderer = listView.getItemRenderer();
    int index = 0;
    for (Object item : listData) {
        itemRenderer.render(item, index++, listView, false, Button.State.UNSELECTED, false, false);
        preferredWidth = Math.max(preferredWidth, itemRenderer.getPreferredWidth(-1));
    }
    if (listView.getCheckmarksEnabled()) {
        preferredWidth += CHECKBOX.getWidth() + checkboxPadding.getWidth();
    }
    return preferredWidth;
}