--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 David "Niki" ROULET
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author David ROULET [niki@nikiroo.be]
+ * @version 1
+ */
+package be.nikiroo.jexer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import jexer.TLabel;
+import jexer.TWidget;
+
+/**
+ * A simple {@link TTableCellRenderer} that display the values within a
+ * {@link TLabel}.
+ * <p>
+ * It supports a few different modes, see
+ * {@link TTableSimpleTextCellRenderer.CellRendererMode}.
+ *
+ * @author niki
+ */
+public class TTableCellRendererWidget extends TTableCellRenderer {
+ private boolean rightAlign;
+ private Map<String, TWidget> widgets = new HashMap<String, TWidget>();
+
+ /**
+ * Create a new renderer for normal text mode.
+ */
+ public TTableCellRendererWidget() {
+ this(CellRendererMode.NORMAL);
+ }
+
+ /**
+ * Create a new renderer of the given mode.
+ *
+ * @param mode
+ * the renderer mode
+ */
+ public TTableCellRendererWidget(CellRendererMode mode) {
+ this(mode, false);
+ }
+
+ /**
+ * Create a new renderer of the given mode.
+ *
+ * @param mode
+ * the renderer mode, cannot be NULL
+ */
+ public TTableCellRendererWidget(CellRendererMode mode, boolean rightAlign) {
+ super(mode);
+
+ this.rightAlign = rightAlign;
+ }
+
+ @Override
+ public void renderTableCell(TTable table, Object value, int rowIndex,
+ int colIndex, int y) {
+
+ String wkey = "[Row " + y + " " + getMode() + "]";
+ TWidget widget = widgets.get(wkey);
+
+ TTableColumn tcol = table.getColumns().get(colIndex);
+ boolean isSelected = table.getSelectedRow() == rowIndex;
+ boolean hasFocus = table.isAbsoluteActive();
+ int width = tcol.getWidth();
+
+ int xOffset = getXOffset(table, colIndex);
+
+ if (widget != null
+ && !updateTableCellRendererComponent(widget, value, isSelected,
+ hasFocus, y, xOffset, width)) {
+ table.removeChild(widget);
+ widget = null;
+ }
+
+ if (widget == null) {
+ widget = getTableCellRendererComponent(table, value, isSelected,
+ hasFocus, y, xOffset, width);
+ }
+
+ widgets.put(wkey, widget);
+ }
+
+ /**
+ * Create a new {@link TWidget} to represent the given value.
+ *
+ * @param table
+ * the parent {@link TTable}
+ * @param value
+ * the value to represent
+ * @param isSelected
+ * TRUE if selected
+ * @param hasFocus
+ * TRUE if focused
+ * @param row
+ * the row to draw it at
+ * @param column
+ * the column to draw it at
+ * @param width
+ * the width of the control
+ *
+ * @return the widget
+ */
+ protected TWidget getTableCellRendererComponent(TTable table, Object value,
+ boolean isSelected, boolean hasFocus, int row, int column, int width) {
+ return new TLabel(table, asText(value, width, rightAlign), column, row,
+ getColorKey(isSelected, hasFocus), false);
+ }
+
+ /**
+ * Update the content of the widget if at all possible.
+ *
+ * @param component
+ * the component to update
+ * @param value
+ * the value to represent
+ * @param isSelected
+ * TRUE if selected
+ * @param hasFocus
+ * TRUE if focused
+ * @param row
+ * the row to draw it at
+ * @param column
+ * the column to draw it at
+ * @param width
+ * the width of the control
+ *
+ * @return TRUE if the operation was possible, FALSE if it failed
+ */
+ protected boolean updateTableCellRendererComponent(TWidget component,
+ Object value, boolean isSelected, boolean hasFocus, int row,
+ int column, int width) {
+
+ if (component instanceof TLabel) {
+ TLabel widget = (TLabel) component;
+ widget.setLabel(asText(value, width, rightAlign));
+ widget.setColorKey(getColorKey(isSelected, hasFocus));
+ widget.setWidth(width);
+ widget.setX(column);
+ widget.setY(row);
+ return true;
+ }
+
+ return false;
+ }
+}
git://git.nikiroo.be / fanfix.git / blobdiff