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

Example 11 with ListView

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

the class TerraListViewSkin method getItemAt.

// List view skin methods
@Override
public int getItemAt(int y) {
    Utils.checkNonNegative(y, "y");
    ListView listView = (ListView) getComponent();
    int index;
    if (variableItemHeight) {
        if (y == 0) {
            index = 0;
        } else {
            index = ArrayList.binarySearch(itemBoundaries, y);
            if (index < 0) {
                index = -(index + 1);
            }
        }
    } else {
        index = (y / fixedItemHeight);
        @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
        if (index >= listData.getLength()) {
            index = -1;
        }
    }
    return index;
}

Example 12 with ListView

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

the class TerraListViewSkin method getItemIndent.

@Override
public int getItemIndent() {
    int itemIndent = 0;
    ListView listView = (ListView) getComponent();
    if (listView.getCheckmarksEnabled()) {
        itemIndent = CHECKBOX.getWidth() + checkboxPadding.getWidth();
    }
    return itemIndent;
}

Example 13 with ListView

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

the class TerraListViewSkin method paint.

@Override
public void paint(Graphics2D graphics) {
    ListView listView = (ListView) getComponent();
    @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
    ListView.ItemRenderer itemRenderer = listView.getItemRenderer();
    int width = getWidth();
    int height = getHeight();
    // Paint the background
    if (backgroundColor != null) {
        graphics.setPaint(backgroundColor);
        graphics.fillRect(0, 0, width, height);
    }
    // Paint the list contents
    int itemStart = 0;
    int itemEnd = listData.getLength() - 1;
    // Ensure that we only paint items that are visible
    Rectangle clipBounds = graphics.getClipBounds();
    if (clipBounds != null) {
        if (variableItemHeight) {
            itemStart = getItemAt(clipBounds.y);
            if (itemStart == -1) {
                itemStart = listData.getLength();
            }
            if (itemEnd != -1) {
                int clipBottom = clipBounds.y + clipBounds.height - 1;
                clipBottom = Math.min(clipBottom, itemBoundaries.get(itemEnd) - 1);
                itemEnd = getItemAt(clipBottom);
            }
        } else {
            itemStart = Math.max(itemStart, (int) Math.floor(clipBounds.y / (double) fixedItemHeight));
            itemEnd = Math.min(itemEnd, (int) Math.ceil((clipBounds.y + clipBounds.height) / (double) fixedItemHeight) - 1);
        }
    }
    // Paint the item background
    if (alternateItemBackgroundColor != null) {
        for (int itemIndex = itemStart; itemIndex <= itemEnd; itemIndex++) {
            int itemY = getItemY(itemIndex);
            int rowHeight = getItemHeight(itemIndex);
            if (itemIndex % 2 > 0) {
                graphics.setPaint(alternateItemBackgroundColor);
                graphics.fillRect(0, itemY, width, rowHeight + 1);
            }
        }
    }
    // Paint the item content
    for (int itemIndex = itemStart; itemIndex <= itemEnd; itemIndex++) {
        Object item = listData.get(itemIndex);
        boolean highlighted = (itemIndex == highlightIndex && listView.getSelectMode() != ListView.SelectMode.NONE);
        boolean selected = listView.isItemSelected(itemIndex);
        boolean disabled = listView.isItemDisabled(itemIndex);
        int itemY = getItemY(itemIndex);
        int itemHeight = getItemHeight(itemIndex);
        Color itemBackgroundColor = null;
        if (selected) {
            itemBackgroundColor = (listView.isFocused()) ? this.selectionBackgroundColor : inactiveSelectionBackgroundColor;
        } else {
            if (highlighted && showHighlight && !disabled) {
                itemBackgroundColor = highlightBackgroundColor;
            }
        }
        if (itemBackgroundColor != null) {
            graphics.setPaint(itemBackgroundColor);
            graphics.fillRect(0, itemY, width, itemHeight);
        }
        int itemX = 0;
        int itemWidth = width;
        Button.State state = Button.State.UNSELECTED;
        if (listView.getCheckmarksEnabled()) {
            if (listView.getAllowTriStateCheckmarks()) {
                state = listView.getItemCheckmarkState(itemIndex);
            } else {
                state = listView.isItemChecked(itemIndex) ? Button.State.SELECTED : Button.State.UNSELECTED;
            }
            int checkboxY = (itemHeight - CHECKBOX.getHeight()) / 2;
            Graphics2D checkboxGraphics = (Graphics2D) graphics.create(checkboxPadding.left, itemY + checkboxY, CHECKBOX.getWidth(), CHECKBOX.getHeight());
            CHECKBOX.setEnabled(!disabled && !listView.isCheckmarkDisabled(itemIndex));
            if (listView.getAllowTriStateCheckmarks()) {
                CHECKBOX.setTriState(true);
                CHECKBOX.setState(state);
            } else {
                CHECKBOX.setTriState(false);
                CHECKBOX.setSelected(state == Button.State.SELECTED);
            }
            CHECKBOX.paint(checkboxGraphics);
            checkboxGraphics.dispose();
            itemX = CHECKBOX.getWidth() + checkboxPadding.getWidth();
            itemWidth -= itemX;
        }
        // Paint the data
        Graphics2D rendererGraphics = (Graphics2D) graphics.create(itemX, itemY, itemWidth, itemHeight);
        itemRenderer.render(item, itemIndex, listView, selected, state, highlighted, disabled);
        itemRenderer.setSize(itemWidth, itemHeight);
        itemRenderer.paint(rendererGraphics);
        rendererGraphics.dispose();
        itemY += itemHeight;
    }
}

Example 14 with ListView

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

the class TerraListViewSkin method mouseUp.

@Override
public boolean mouseUp(Component component, Mouse.Button button, int x, int y) {
    boolean consumed = super.mouseUp(component, button, x, y);
    ListView listView = (ListView) getComponent();
    if (selectIndex != -1 && listView.getFirstSelectedIndex() != listView.getLastSelectedIndex()) {
        listView.setSelectedIndex(selectIndex);
        selectIndex = -1;
    }
    return consumed;
}

Example 15 with ListView

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

the class TerraListViewSkin method mouseOut.

@Override
public void mouseOut(Component component) {
    super.mouseOut(component);
    ListView listView = (ListView) getComponent();
    if (highlightIndex != -1 && listView.getSelectMode() != ListView.SelectMode.NONE && showHighlight) {
        Bounds itemBounds = getItemBounds(highlightIndex);
        repaintComponent(itemBounds.x, itemBounds.y, itemBounds.width, itemBounds.height);
    }
    highlightIndex = -1;
    selectIndex = -1;
}