--- /dev/null
+package be.nikiroo.jvcard.tui.panes;
+
+import be.nikiroo.jvcard.tui.UiColors;
+
+import com.googlecode.lanterna.gui2.ActionListBox;
+import com.googlecode.lanterna.gui2.Direction;
+import com.googlecode.lanterna.gui2.LinearLayout;
+import com.googlecode.lanterna.gui2.TextGUIGraphics;
+import com.googlecode.lanterna.gui2.AbstractListBox.ListItemRenderer;
+
+abstract public class MainContentList extends MainContent implements Runnable {
+ private ActionListBox lines;
+
+ public MainContentList(final UiColors.Element normalStyle,
+ final UiColors.Element selectedStyle) {
+ super(Direction.VERTICAL);
+
+ lines = new ActionListBox();
+
+ lines
+ .setListItemRenderer(new ListItemRenderer<Runnable, ActionListBox>() {
+ /**
+ * This is the main drawing method for a single list box
+ * item, it applies the current theme to setup the colors
+ * and then calls {@code getLabel(..)} and draws the result
+ * using the supplied {@code TextGUIGraphics}. The graphics
+ * object is created just for this item and is restricted so
+ * that it can only draw on the area this item is occupying.
+ * The top-left corner (0x0) should be the starting point
+ * when drawing the item.
+ *
+ * @param graphics
+ * Graphics object to draw with
+ * @param listBox
+ * List box we are drawing an item from
+ * @param index
+ * Index of the item we are drawing
+ * @param item
+ * The item we are drawing
+ * @param selected
+ * Will be set to {@code true} if the item is
+ * currently selected, otherwise {@code false},
+ * but please notice what context 'selected'
+ * refers to here (see {@code setSelectedIndex})
+ * @param focused
+ * Will be set to {@code true} if the list box
+ * currently has input focus, otherwise {@code
+ * false}
+ */
+ public void drawItem(TextGUIGraphics graphics,
+ ActionListBox listBox, int index, Runnable item,
+ boolean selected, boolean focused) {
+
+ if (selected && focused) {
+ graphics.setForegroundColor(selectedStyle
+ .getForegroundColor());
+ graphics.setBackgroundColor(selectedStyle
+ .getBackgroundColor());
+ } else {
+ graphics.setForegroundColor(normalStyle
+ .getForegroundColor());
+ graphics.setBackgroundColor(normalStyle
+ .getBackgroundColor());
+ }
+
+ // original impl:
+ // String label = getLabel(listBox, index, item);
+ // label = TerminalTextUtils.fitString(label,
+ // graphics.getSize().getColumns());
+
+ // TODO: why +5 ?? padding problem?
+ String label = MainContentList.this.getLabel(index,
+ lines.getSize().getColumns() + 5);
+ graphics.putString(0, 0, label);
+ }
+ });
+
+ addComponent(lines, LinearLayout
+ .createLayoutData(LinearLayout.Alignment.Fill));
+ }
+
+ /**
+ * Add an item to this {@link MainContentList}.
+ *
+ * @param line
+ * the item to add
+ */
+ public void addItem(String line) {
+ lines.addItem(line, this);
+ }
+
+ /**
+ * Clear all the items in this {@link MainContentList}
+ */
+ public void clearItems() {
+ lines.clearItems();
+ }
+
+ /**
+ * Get the index of the currently selected line.
+ *
+ * @return the index
+ */
+ public int getSelectedIndex() {
+ return lines.getSelectedIndex();
+ }
+
+ /**
+ * Change the index of the currently selected line.
+ *
+ * @param index
+ * the new index
+ */
+ public void setSelectedIndex(int index) {
+ lines.setSelectedIndex(index);
+ }
+
+ @Override
+ public void run() {
+ // item selected.
+ // ignore.
+ }
+
+ @Override
+ public String move(int x, int y) {
+ setSelectedIndex(getSelectedIndex() + x);
+ // TODO: y?
+ return null;
+ }
+
+ /**
+ * Return the text representation of the selected line.
+ *
+ * @param index
+ * the line index
+ * @param width
+ * the max width of the line
+ *
+ * @return the text representation
+ */
+ protected String getLabel(int index, int width) {
+ return "" + lines.getItems().get(index);
+ }
+}
git://git.nikiroo.be / jvcard.git / blobdiff