cutting v0.0.1

[fanfix.git] / src / jexer / TPasswordField.java

diff --git a/src/jexer/TPasswordField.java b/src/jexer/TPasswordField.java
new file mode 100644 (file)
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+++ b/src/jexer/TPasswordField.java
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+/**
+ * Jexer - Java Text User Interface
+ *
+ * License: LGPLv3 or later
+ *
+ * This module is licensed under the GNU Lesser General Public License
+ * Version 3.  Please see the file "COPYING" in this directory for more
+ * information about the GNU Lesser General Public License Version 3.
+ *
+ *     Copyright (C) 2015  Kevin Lamonte
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see
+ * http://www.gnu.org/licenses/, or write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+
+/**
+ * TField implements an editable text field.
+ */
+public final class TPasswordField extends TField {
+
+    /**
+     * Public constructor.
+     *
+     * @param parent parent widget
+     * @param x column relative to parent
+     * @param y row relative to parent
+     * @param width visible text width
+     * @param fixed if true, the text cannot exceed the display width
+     */
+    public TPasswordField(final TWidget parent, final int x, final int y,
+        final int width, final boolean fixed) {
+
+        this(parent, x, y, width, fixed, "", null, null);
+    }
+
+    /**
+     * Public constructor.
+     *
+     * @param parent parent widget
+     * @param x column relative to parent
+     * @param y row relative to parent
+     * @param width visible text width
+     * @param fixed if true, the text cannot exceed the display width
+     * @param text initial text, default is empty string
+     */
+    public TPasswordField(final TWidget parent, final int x, final int y,
+        final int width, final boolean fixed, final String text) {
+
+        this(parent, x, y, width, fixed, text, null, null);
+    }
+
+    /**
+     * Public constructor.
+     *
+     * @param parent parent widget
+     * @param x column relative to parent
+     * @param y row relative to parent
+     * @param width visible text width
+     * @param fixed if true, the text cannot exceed the display width
+     * @param text initial text, default is empty string
+     * @param enterAction function to call when enter key is pressed
+     * @param updateAction function to call when the text is updated
+     */
+    public TPasswordField(final TWidget parent, final int x, final int y,
+        final int width, final boolean fixed, final String text,
+        final TAction enterAction, final TAction updateAction) {
+
+        // Set parent and window
+        super(parent, x, y, width, fixed, text, enterAction, updateAction);
+    }
+
+    /**
+     * Draw the text field.
+     */
+    @Override
+    public void draw() {
+        CellAttributes fieldColor;
+
+        boolean showStars = false;
+        if (getAbsoluteActive()) {
+            fieldColor = getTheme().getColor("tfield.active");
+        } else {
+            fieldColor = getTheme().getColor("tfield.inactive");
+            showStars = true;
+        }
+
+        int end = windowStart + getWidth();
+        if (end > text.length()) {
+            end = text.length();
+        }
+
+        getScreen().hLineXY(0, 0, getWidth(), GraphicsChars.HATCH, fieldColor);
+        if (showStars) {
+            getScreen().hLineXY(0, 0, getWidth() - 2, '*',
+                fieldColor);
+        } else {
+            getScreen().putStrXY(0, 0, text.substring(windowStart, end),
+                fieldColor);
+        }
+
+        // Fix the cursor, it will be rendered by TApplication.drawAll().
+        updateCursor();
+    }
+
+}