--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 Kevin Lamonte
+ *
+ * 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 Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer;
+
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.GraphicsChars;
+import jexer.bits.StringUtils;
+import jexer.event.TKeypressEvent;
+import jexer.event.TMouseEvent;
+import static jexer.TKeypress.*;
+
+/**
+ * TCalendar is a date picker widget.
+ */
+public class TCalendar extends TWidget {
+
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * The calendar being displayed.
+ */
+ private GregorianCalendar displayCalendar = new GregorianCalendar();
+
+ /**
+ * The calendar with the selected day.
+ */
+ private GregorianCalendar calendar = new GregorianCalendar();
+
+ /**
+ * The action to perform when the user changes the value of the calendar.
+ */
+ private TAction updateAction = null;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param updateAction action to call when the user changes the value of
+ * the calendar
+ */
+ public TCalendar(final TWidget parent, final int x, final int y,
+ final TAction updateAction) {
+
+ // Set parent and window
+ super(parent, x, y, 28, 8);
+
+ this.updateAction = updateAction;
+ }
+
+ // ------------------------------------------------------------------------
+ // Event handlers ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Returns true if the mouse is currently on the left arrow.
+ *
+ * @param mouse mouse event
+ * @return true if the mouse is currently on the left arrow
+ */
+ private boolean mouseOnLeftArrow(final TMouseEvent mouse) {
+ if ((mouse.getY() == 0)
+ && (mouse.getX() == 1)
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Returns true if the mouse is currently on the right arrow.
+ *
+ * @param mouse mouse event
+ * @return true if the mouse is currently on the right arrow
+ */
+ private boolean mouseOnRightArrow(final TMouseEvent mouse) {
+ if ((mouse.getY() == 0)
+ && (mouse.getX() == getWidth() - 2)
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Handle mouse down clicks.
+ *
+ * @param mouse mouse button down event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+ if ((mouseOnLeftArrow(mouse)) && (mouse.isMouse1())) {
+ displayCalendar.add(Calendar.MONTH, -1);
+ } else if ((mouseOnRightArrow(mouse)) && (mouse.isMouse1())) {
+ displayCalendar.add(Calendar.MONTH, 1);
+ } else if (mouse.isMouse1()) {
+ // Find the day this might correspond to, and set it.
+ int index = (mouse.getY() - 2) * 7 + (mouse.getX() / 4) + 1;
+ // System.err.println("index: " + index);
+
+ int lastDayNumber = displayCalendar.getActualMaximum(
+ Calendar.DAY_OF_MONTH);
+ GregorianCalendar firstOfMonth = new GregorianCalendar();
+ firstOfMonth.setTimeInMillis(displayCalendar.getTimeInMillis());
+ firstOfMonth.set(Calendar.DAY_OF_MONTH, 1);
+ int dayOf1st = firstOfMonth.get(Calendar.DAY_OF_WEEK) - 1;
+ // System.err.println("dayOf1st: " + dayOf1st);
+
+ int day = index - dayOf1st;
+ // System.err.println("day: " + day);
+
+ if ((day < 1) || (day > lastDayNumber)) {
+ return;
+ }
+ calendar.setTimeInMillis(displayCalendar.getTimeInMillis());
+ calendar.set(Calendar.DAY_OF_MONTH, day);
+ }
+ }
+
+ /**
+ * Handle mouse double click.
+ *
+ * @param mouse mouse double click event
+ */
+ @Override
+ public void onMouseDoubleClick(final TMouseEvent mouse) {
+ if (updateAction != null) {
+ updateAction.DO(this);
+ }
+ }
+
+ /**
+ * Handle keystrokes.
+ *
+ * @param keypress keystroke event
+ */
+ @Override
+ public void onKeypress(final TKeypressEvent keypress) {
+ int increment = 0;
+
+ if (keypress.equals(kbUp)) {
+ increment = -7;
+ } else if (keypress.equals(kbDown)) {
+ increment = 7;
+ } else if (keypress.equals(kbLeft)) {
+ increment = -1;
+ } else if (keypress.equals(kbRight)) {
+ increment = 1;
+ } else if (keypress.equals(kbEnter)) {
+ if (updateAction != null) {
+ updateAction.DO(this);
+ }
+ return;
+ } else {
+ // Pass to parent for the things we don't care about.
+ super.onKeypress(keypress);
+ return;
+ }
+
+ if (increment != 0) {
+ calendar.add(Calendar.DAY_OF_YEAR, increment);
+
+ if ((displayCalendar.get(Calendar.MONTH) != calendar.get(
+ Calendar.MONTH))
+ || (displayCalendar.get(Calendar.YEAR) != calendar.get(
+ Calendar.YEAR))
+ ) {
+ if (increment < 0) {
+ displayCalendar.add(Calendar.MONTH, -1);
+ } else {
+ displayCalendar.add(Calendar.MONTH, 1);
+ }
+ }
+ }
+
+ }
+
+ // ------------------------------------------------------------------------
+ // TWidget ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Draw the combobox down arrow.
+ */
+ @Override
+ public void draw() {
+ CellAttributes backgroundColor = getTheme().getColor(
+ "tcalendar.background");
+ CellAttributes dayColor = getTheme().getColor(
+ "tcalendar.day");
+ CellAttributes selectedDayColor = getTheme().getColor(
+ "tcalendar.day.selected");
+ CellAttributes arrowColor = getTheme().getColor(
+ "tcalendar.arrow");
+ CellAttributes titleColor = getTheme().getColor(
+ "tcalendar.title");
+
+ // Fill in the interior background
+ for (int i = 0; i < getHeight(); i++) {
+ hLineXY(0, i, getWidth(), ' ', backgroundColor);
+ }
+
+ // Draw the title
+ String title = String.format("%tB %tY", displayCalendar,
+ displayCalendar);
+ // This particular title is always single-width (see format string
+ // above), but for completeness let's treat it the same as every
+ // other window title string.
+ int titleLeft = (getWidth() - StringUtils.width(title) - 2) / 2;
+ putCharXY(titleLeft, 0, ' ', titleColor);
+ putStringXY(titleLeft + 1, 0, title, titleColor);
+ putCharXY(titleLeft + StringUtils.width(title) + 1, 0, ' ',
+ titleColor);
+
+ // Arrows
+ putCharXY(1, 0, GraphicsChars.LEFTARROW, arrowColor);
+ putCharXY(getWidth() - 2, 0, GraphicsChars.RIGHTARROW,
+ arrowColor);
+
+ /*
+ * Now draw out the days.
+ */
+ putStringXY(0, 1, " S M T W T F S ", dayColor);
+ int lastDayNumber = displayCalendar.getActualMaximum(
+ Calendar.DAY_OF_MONTH);
+ GregorianCalendar firstOfMonth = new GregorianCalendar();
+ firstOfMonth.setTimeInMillis(displayCalendar.getTimeInMillis());
+ firstOfMonth.set(Calendar.DAY_OF_MONTH, 1);
+ int dayOf1st = firstOfMonth.get(Calendar.DAY_OF_WEEK) - 1;
+ int dayColumn = dayOf1st * 4;
+ int row = 2;
+
+ int dayOfMonth = 1;
+ while (dayOfMonth <= lastDayNumber) {
+ if (dayColumn == 4 * 7) {
+ dayColumn = 0;
+ row++;
+ }
+ if ((dayOfMonth == calendar.get(Calendar.DAY_OF_MONTH))
+ && (displayCalendar.get(Calendar.MONTH) == calendar.get(
+ Calendar.MONTH))
+ && (displayCalendar.get(Calendar.YEAR) == calendar.get(
+ Calendar.YEAR))
+ ) {
+ putStringXY(dayColumn, row,
+ String.format(" %2d ", dayOfMonth), selectedDayColor);
+ } else {
+ putStringXY(dayColumn, row,
+ String.format(" %2d ", dayOfMonth), dayColor);
+ }
+ dayColumn += 4;
+ dayOfMonth++;
+ }
+
+ }
+
+ // ------------------------------------------------------------------------
+ // TCalendar --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get calendar value.
+ *
+ * @return the current calendar value (clone instance)
+ */
+ public Calendar getValue() {
+ return (Calendar) calendar.clone();
+ }
+
+ /**
+ * Set calendar value.
+ *
+ * @param calendar the new value to use
+ */
+ public final void setValue(final Calendar calendar) {
+ this.calendar.setTimeInMillis(calendar.getTimeInMillis());
+ }
+
+ /**
+ * Set calendar value.
+ *
+ * @param millis the millis to set to
+ */
+ public final void setValue(final long millis) {
+ this.calendar.setTimeInMillis(millis);
+ }
+
+}
git://git.nikiroo.be / fanfix.git / blobdiff