*/
package jexer;
+import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
+import jexer.bits.CellAttributes;
import jexer.event.TKeypressEvent;
import jexer.event.TMenuEvent;
+import jexer.event.TMouseEvent;
+import jexer.event.TResizeEvent;
import jexer.menu.TMenu;
import static jexer.TKeypress.*;
THICK,
}
+ /**
+ * Row label width.
+ */
+ private static final int ROW_LABEL_WIDTH = 8;
+
+ /**
+ * Column label height.
+ */
+ private static final int COLUMN_LABEL_HEIGHT = 1;
+
+ /**
+ * Column default width.
+ */
+ private static final int COLUMN_DEFAULT_WIDTH = 8;
+
+ /**
+ * Extra rows to add.
+ */
+ private static final int EXTRA_ROWS = 10;
+
+ /**
+ * Extra columns to add.
+ */
+ private static final int EXTRA_COLUMNS = 10 * (8 + 1);
+
// ------------------------------------------------------------------------
// Variables --------------------------------------------------------------
// ------------------------------------------------------------------------
*/
private boolean highlightColumn = false;
+ /**
+ * If true, show the row labels as the first column.
+ */
+ private boolean showRowLabels = true;
+
+ /**
+ * If true, show the column labels as the first row.
+ */
+ private boolean showColumnLabels = true;
+
+ /**
+ * The top border for the first row.
+ */
+ private Border topBorder = Border.NONE;
+
+ /**
+ * The left border for the first column.
+ */
+ private Border leftBorder = Border.NONE;
+
/**
* Column represents a column of cells.
*/
public class Column {
+ /**
+ * X position of this column.
+ */
+ private int x = 0;
+
/**
* Width of column.
*/
- private int width = 8;
+ private int width = COLUMN_DEFAULT_WIDTH;
/**
* The cells of this column.
private String label = "";
/**
- * The border for this column.
+ * The right border for this column.
*/
- private Border border = Border.NONE;
+ private Border rightBorder = Border.NONE;
+
+ /**
+ * Constructor sets label to lettered column.
+ *
+ * @param col column number to use for this column. Column 0 will be
+ * "A", column 1 will be "B", column 26 will be "AA", and so on.
+ */
+ Column(int col) {
+ StringBuilder sb = new StringBuilder();
+ for (;;) {
+ sb.append((char) ('A' + (col % 26)));
+ if (col < 26) {
+ break;
+ }
+ col /= 26;
+ }
+ label = sb.reverse().toString();
+ }
/**
* Add an entry to this column.
public Cell get(final int row) {
return cells.get(row);
}
+
+ /**
+ * Get the X position of the cells in this column.
+ *
+ * @return the position
+ */
+ public int getX() {
+ return x;
+ }
+
+ /**
+ * Set the X position of the cells in this column.
+ *
+ * @param x the position
+ */
+ public void setX(final int x) {
+ for (Cell cell: cells) {
+ cell.setX(x);
+ }
+ this.x = x;
+ }
+
}
/**
*/
public class Row {
+ /**
+ * Y position of this row.
+ */
+ private int y = 0;
+
/**
* Height of row.
*/
private String label = "";
/**
- * The border for this row.
+ * The bottom border for this row.
*/
- private Border border = Border.NONE;
+ private Border bottomBorder = Border.NONE;
+
+ /**
+ * Constructor sets label to numbered row.
+ *
+ * @param row row number to use for this row
+ */
+ Row(final int row) {
+ label = Integer.toString(row);
+ }
/**
* Add an entry to this column.
public Cell get(final int column) {
return cells.get(column);
}
+ /**
+ * Get the Y position of the cells in this column.
+ *
+ * @return the position
+ */
+ public int getY() {
+ return y;
+ }
+
+ /**
+ * Set the Y position of the cells in this column.
+ *
+ * @param y the position
+ */
+ public void setY(final int y) {
+ for (Cell cell: cells) {
+ cell.setY(y);
+ }
+ this.y = y;
+ }
}
this.column = column;
this.row = row;
- field = addField(0, 0, width - 1, false);
+ field = addField(0, 0, width, false);
field.setEnabled(false);
- field.setActiveColorKey("ttable.active");
- field.setInactiveColorKey("ttable.inactive");
field.setBackgroundChar(' ');
}
// Event handlers -----------------------------------------------------
// --------------------------------------------------------------------
+ /**
+ * Handle mouse double-click events.
+ *
+ * @param mouse mouse double-click event
+ */
+ @Override
+ public void onMouseDoubleClick(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseDown(mouse);
+
+ // Double-click means to start editing.
+ fieldText = field.getText();
+ isEditing = true;
+ field.setEnabled(true);
+ activate(field);
+
+ if (isActive()) {
+ // Let the table know that I was activated.
+ ((TTableWidget) getParent()).selectedRow = row;
+ ((TTableWidget) getParent()).selectedColumn = column;
+ ((TTableWidget) getParent()).alignGrid();
+ }
+ }
+
+ /**
+ * Handle mouse press events.
+ *
+ * @param mouse mouse button press event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseDown(mouse);
+
+ if (isActive()) {
+ // Let the table know that I was activated.
+ ((TTableWidget) getParent()).selectedRow = row;
+ ((TTableWidget) getParent()).selectedColumn = column;
+ ((TTableWidget) getParent()).alignGrid();
+ }
+ }
+
+ /**
+ * Handle mouse release events.
+ *
+ * @param mouse mouse button release event
+ */
+ @Override
+ public void onMouseUp(final TMouseEvent mouse) {
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseDown(mouse);
+
+ if (isActive()) {
+ // Let the table know that I was activated.
+ ((TTableWidget) getParent()).selectedRow = row;
+ ((TTableWidget) getParent()).selectedColumn = column;
+ ((TTableWidget) getParent()).alignGrid();
+ }
+ }
+
/**
* Handle keystrokes.
*
public void draw() {
TTableWidget table = (TTableWidget) getParent();
- field.setActiveColorKey("ttable.active");
- field.setInactiveColorKey("ttable.inactive");
-
if (isAbsoluteActive()) {
- if (table.selectedColumn == column) {
- if ((table.selectedRow == row)
- || (table.highlightColumn == true)
- ) {
- field.setActiveColorKey("ttable.active");
- field.setInactiveColorKey("ttable.active");
- }
- } else if (table.selectedRow == row) {
- if ((table.selectedColumn == column)
- || (table.highlightRow == true)
- ) {
- field.setActiveColorKey("ttable.active");
- field.setInactiveColorKey("ttable.active");
- }
+ if (isEditing) {
+ field.setActiveColorKey("tfield.active");
+ field.setInactiveColorKey("tfield.inactive");
+ } else {
+ field.setActiveColorKey("ttable.selected");
+ field.setInactiveColorKey("ttable.selected");
}
+ } else if (((table.selectedColumn == column)
+ && ((table.selectedRow == row)
+ || (table.highlightColumn == true)))
+ || ((table.selectedRow == row)
+ && ((table.selectedColumn == column)
+ || (table.highlightRow == true)))
+ ) {
+ field.setActiveColorKey("ttable.active");
+ field.setInactiveColorKey("ttable.active");
+ } else {
+ field.setActiveColorKey("ttable.active");
+ field.setInactiveColorKey("ttable.inactive");
}
+ assert (isVisible() == true);
+
super.draw();
}
super(parent, x, y, width, height);
// Initialize the starting row and column.
- rows.add(new Row());
- columns.add(new Column());
+ rows.add(new Row(0));
+ columns.add(new Column(0));
// Place a grid of cells that fit in this space.
int row = 0;
- for (int i = 0; i < height; i += rows.get(0).height) {
+ for (int i = 0; i < height + EXTRA_ROWS; i += rows.get(0).height) {
int column = 0;
- for (int j = 0; j < width; j += columns.get(0).width) {
- Cell cell = new Cell(this, j, i, columns.get(0).width,
+ for (int j = 0; j < width + EXTRA_COLUMNS;
+ j += columns.get(0).width) {
+
+ Cell cell = new Cell(this, 0, 0, /* j, i, */ columns.get(0).width,
rows.get(0).height, column, row);
+ // DEBUG: set a grid of cell index labels
+ // TODO: remove this
cell.setText("" + row + " " + column);
rows.get(row).add(cell);
columns.get(column).add(cell);
- if ((i == 0) && (j + columns.get(0).width < width)) {
- columns.add(new Column());
+ if ((i == 0) &&
+ (j + columns.get(0).width < width + EXTRA_COLUMNS)
+ ) {
+ columns.add(new Column(column + 1));
}
column++;
}
- if (i + rows.get(0).height < height) {
- rows.add(new Row());
+ if (i + rows.get(0).height < height + EXTRA_ROWS) {
+ rows.add(new Row(row + 1));
}
row++;
}
+ for (int i = 0; i < rows.size(); i++) {
+ rows.get(i).setY(i + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0));
+ }
+ for (int j = 0; j < columns.size(); j++) {
+ columns.get(j).setX((j * COLUMN_DEFAULT_WIDTH) +
+ (showRowLabels ? ROW_LABEL_WIDTH : 0));
+ }
activate(columns.get(selectedColumn).get(selectedRow));
+
+ alignGrid();
+
+ // Set the menu to match the flags.
+ getApplication().getMenuItem(TMenu.MID_TABLE_VIEW_ROW_LABELS).
+ setChecked(showRowLabels);
+ getApplication().getMenuItem(TMenu.MID_TABLE_VIEW_COLUMN_LABELS).
+ setChecked(showColumnLabels);
+ getApplication().getMenuItem(TMenu.MID_TABLE_VIEW_HIGHLIGHT_ROW).
+ setChecked(highlightRow);
+ getApplication().getMenuItem(TMenu.MID_TABLE_VIEW_HIGHLIGHT_COLUMN).
+ setChecked(highlightColumn);
+
+
}
// ------------------------------------------------------------------------
// Event handlers ---------------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * Handle mouse press events.
+ *
+ * @param mouse mouse button press event
+ */
+ @Override
+ public void onMouseDown(final TMouseEvent mouse) {
+ if (mouse.isMouseWheelUp() || mouse.isMouseWheelDown()) {
+ // Treat wheel up/down as 3 up/down
+ TKeypressEvent keyEvent;
+ if (mouse.isMouseWheelUp()) {
+ keyEvent = new TKeypressEvent(kbUp);
+ } else {
+ keyEvent = new TKeypressEvent(kbDown);
+ }
+ for (int i = 0; i < 3; i++) {
+ onKeypress(keyEvent);
+ }
+ return;
+ }
+
+ // Use TWidget's code to pass the event to the children.
+ super.onMouseDown(mouse);
+ }
+
/**
* Handle keystrokes.
*
// grid context.
return;
}
-
+
+ // If editing, pass to that cell and do nothing else.
if (getSelectedCell().isEditing) {
super.onKeypress(keypress);
return;
}
if (keypress.equals(kbLeft)) {
+ // Left
if (selectedColumn > 0) {
selectedColumn--;
}
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbRight)) {
+ // Right
if (selectedColumn < columns.size() - 1) {
selectedColumn++;
}
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbUp)) {
+ // Up
if (selectedRow > 0) {
selectedRow--;
}
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbDown)) {
+ // Down
if (selectedRow < rows.size() - 1) {
selectedRow++;
}
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbHome)) {
+ // Home - leftmost column
selectedColumn = 0;
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbEnd)) {
+ // End - rightmost column
selectedColumn = columns.size() - 1;
activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbPgUp)) {
- // TODO
+ // PgUp - Treat like multiple up
+ for (int i = 0; i < getHeight() - 2; i++) {
+ if (selectedRow > 0) {
+ selectedRow--;
+ }
+ }
+ activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbPgDn)) {
- // TODO
+ // PgDn - Treat like multiple up
+ for (int i = 0; i < getHeight() - 2; i++) {
+ if (selectedRow < rows.size() - 1) {
+ selectedRow++;
+ }
+ }
+ activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbCtrlHome)) {
- // TODO
+ // Ctrl-Home - go to top-left
+ selectedRow = 0;
+ selectedColumn = 0;
+ activate(columns.get(selectedColumn).get(selectedRow));
+ activate(columns.get(selectedColumn).get(selectedRow));
} else if (keypress.equals(kbCtrlEnd)) {
- // TODO
+ // Ctrl-End - go to bottom-right
+ selectedRow = rows.size() - 1;
+ selectedColumn = columns.size() - 1;
+ activate(columns.get(selectedColumn).get(selectedRow));
+ activate(columns.get(selectedColumn).get(selectedRow));
} else {
// Pass to the Cell.
super.onKeypress(keypress);
}
+
+ // We may have scrolled off screen. Reset positions as needed to
+ // make the newly selected cell visible.
+ alignGrid();
+ }
+
+ /**
+ * Handle widget resize events.
+ *
+ * @param event resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent event) {
+ super.onResize(event);
+
+ alignGrid();
}
/**
@Override
public void onMenu(final TMenuEvent menu) {
switch (menu.getId()) {
+ case TMenu.MID_TABLE_VIEW_ROW_LABELS:
+ showRowLabels = getApplication().getMenuItem(menu.getId()).getChecked();
+ break;
+ case TMenu.MID_TABLE_VIEW_COLUMN_LABELS:
+ showColumnLabels = getApplication().getMenuItem(menu.getId()).getChecked();
+ break;
+ case TMenu.MID_TABLE_VIEW_HIGHLIGHT_ROW:
+ highlightRow = getApplication().getMenuItem(menu.getId()).getChecked();
+ break;
+ case TMenu.MID_TABLE_VIEW_HIGHLIGHT_COLUMN:
+ highlightColumn = getApplication().getMenuItem(menu.getId()).getChecked();
+ break;
case TMenu.MID_TABLE_BORDER_NONE:
case TMenu.MID_TABLE_BORDER_ALL:
case TMenu.MID_TABLE_BORDER_RIGHT:
columns.get(selectedColumn).width--;
for (Cell cell: getSelectedColumn().cells) {
cell.setWidth(columns.get(selectedColumn).width);
- cell.field.setWidth(columns.get(selectedColumn).width - 1);
+ cell.field.setWidth(columns.get(selectedColumn).width);
}
+ for (int i = selectedColumn + 1; i < columns.size(); i++) {
+ columns.get(i).setX(columns.get(i).getX() - 1);
+ }
+ alignGrid();
break;
case TMenu.MID_TABLE_COLUMN_WIDEN:
columns.get(selectedColumn).width++;
for (Cell cell: getSelectedColumn().cells) {
cell.setWidth(columns.get(selectedColumn).width);
- cell.field.setWidth(columns.get(selectedColumn).width - 1);
+ cell.field.setWidth(columns.get(selectedColumn).width);
+ }
+ for (int i = selectedColumn + 1; i < columns.size(); i++) {
+ columns.get(i).setX(columns.get(i).getX() + 1);
}
+ alignGrid();
break;
case TMenu.MID_TABLE_FILE_SAVE_CSV:
+ // TODO
+ break;
case TMenu.MID_TABLE_FILE_SAVE_TEXT:
+ // TODO
break;
default:
super.onMenu(menu);
}
+
+ alignGrid();
}
// ------------------------------------------------------------------------
// TWidget ----------------------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * Draw the table row/column labels, and borders.
+ */
+ @Override
+ public void draw() {
+ CellAttributes labelColor = getTheme().getColor("ttable.label");
+ CellAttributes labelColorSelected = getTheme().getColor("ttable.label.selected");
+ CellAttributes borderColor = getTheme().getColor("ttable.border");
+
+ // Column labels.
+ if (showColumnLabels == true) {
+ for (int i = left; i < columns.size(); i++) {
+ if (columns.get(i).get(top).isVisible() == false) {
+ break;
+ }
+ putStringXY(columns.get(i).get(top).getX(), 0,
+ String.format(" %-" +
+ (columns.get(i).width - 2)
+ + "s ", columns.get(i).label),
+ (i == selectedColumn ? labelColorSelected : labelColor));
+ }
+ }
+
+ // Row labels.
+ if (showRowLabels == true) {
+ for (int i = top; i < rows.size(); i++) {
+ if (rows.get(i).get(left).isVisible() == false) {
+ break;
+ }
+ putStringXY(0, rows.get(i).get(left).getY(),
+ String.format(" %-6s ", rows.get(i).label),
+ (i == selectedRow ? labelColorSelected : labelColor));
+ }
+ }
+
+ // Now draw the window borders.
+ super.draw();
+ }
+
// ------------------------------------------------------------------------
// TTable -----------------------------------------------------------------
// ------------------------------------------------------------------------
return rows.get(selectedRow);
}
+ /**
+ * Get the currently-selected column number. 0 is the left-most column.
+ *
+ * @return the selected column number
+ */
+ public int getSelectedColumnNumber() {
+ return selectedColumn;
+ }
+
+ /**
+ * Set the currently-selected column number. 0 is the left-most column.
+ *
+ * @param column the column number to select
+ */
+ public void setSelectedColumnNumber(final int column) {
+ if ((column < 0) || (column > columns.size() - 1)) {
+ throw new IndexOutOfBoundsException("Column count is " +
+ columns.size() + ", requested index " + column);
+ }
+ selectedColumn = column;
+ activate(columns.get(selectedColumn).get(selectedRow));
+ alignGrid();
+ }
+
+ /**
+ * Get the currently-selected row number. 0 is the top-most row.
+ *
+ * @return the selected row number
+ */
+ public int getSelectedRowNumber() {
+ return selectedRow;
+ }
+
+ /**
+ * Set the currently-selected row number. 0 is the left-most column.
+ *
+ * @param row the row number to select
+ */
+ public void setSelectedRowNumber(final int row) {
+ if ((row < 0) || (row > rows.size() - 1)) {
+ throw new IndexOutOfBoundsException("Row count is " +
+ rows.size() + ", requested index " + row);
+ }
+ selectedRow = row;
+ activate(columns.get(selectedColumn).get(selectedRow));
+ alignGrid();
+ }
+
+ /**
+ * Get the number of columns.
+ *
+ * @return the number of columns
+ */
+ public int getColumnCount() {
+ return columns.size();
+ }
+
+ /**
+ * Get the number of rows.
+ *
+ * @return the number of rows
+ */
+ public int getRowCount() {
+ return rows.size();
+ }
+
+ /**
+ * Align the grid so that the selected cell is fully visible.
+ */
+ private void alignGrid() {
+ int viewColumns = getWidth();
+ if (showRowLabels == true) {
+ viewColumns -= ROW_LABEL_WIDTH;
+ }
+ if (leftBorder != Border.NONE) {
+ viewColumns--;
+ }
+ int viewRows = getHeight();
+ if (showColumnLabels == true) {
+ viewRows -= COLUMN_LABEL_HEIGHT;
+ }
+ if (topBorder != Border.NONE) {
+ viewRows--;
+ }
+
+ // If we pushed left or right, adjust the box to include the new
+ // selected cell.
+ if (selectedColumn < left) {
+ left = selectedColumn - 1;
+ }
+ if (left < 0) {
+ left = 0;
+ }
+ if (selectedRow < top) {
+ top = selectedRow - 1;
+ }
+ if (top < 0) {
+ top = 0;
+ }
+
+ /*
+ * viewColumns and viewRows now contain the available columns and
+ * rows available to view the selected cell. We adjust left and top
+ * to ensure the selected cell is within view, and then make all
+ * cells outside the box between (left, top) and (right, bottom)
+ * invisible.
+ *
+ * We need to calculate right and bottom now.
+ */
+ int right = left;
+
+ boolean done = false;
+ while (!done) {
+ int rightCellX = (showRowLabels ? ROW_LABEL_WIDTH : 0);
+ int maxCellX = rightCellX + viewColumns;
+ right = left;
+ boolean selectedIsVisible = false;
+ int selectedX = 0;
+ for (int x = left; x < columns.size(); x++) {
+ if (x == selectedColumn) {
+ selectedX = rightCellX;
+ if (selectedX + columns.get(x).width + 1 <= maxCellX) {
+ selectedIsVisible = true;
+ }
+ }
+ rightCellX += columns.get(x).width + 1;
+ if (rightCellX >= maxCellX) {
+ break;
+ }
+ right++;
+ }
+ if (right < selectedColumn) {
+ // selectedColumn is outside the view range. Push left over,
+ // and calculate again.
+ left++;
+ } else if (left == selectedColumn) {
+ // selectedColumn doesn't fit inside the view range, but we
+ // can't go over any further either. Bail out.
+ done = true;
+ } else if (selectedIsVisible == false) {
+ // selectedColumn doesn't fit inside the view range, continue
+ // on.
+ left++;
+ } else {
+ // selectedColumn is fully visible, all done.
+ assert (selectedIsVisible == true);
+ done = true;
+ }
+
+ } // while (!done)
+
+ // We have the left/right range correct, set cell visibility and
+ // column X positions.
+ int leftCellX = showRowLabels ? ROW_LABEL_WIDTH : 0;
+ for (int x = 0; x < columns.size(); x++) {
+ if ((x < left) || (x > right)) {
+ for (int i = 0; i < rows.size(); i++) {
+ columns.get(x).get(i).setVisible(false);
+ columns.get(x).setX(getWidth() + 1);
+ }
+ continue;
+ }
+ for (int i = 0; i < rows.size(); i++) {
+ columns.get(x).get(i).setVisible(true);
+ }
+ columns.get(x).setX(leftCellX);
+ leftCellX += columns.get(x).width + 1;
+ }
+
+ int bottom = top;
+
+ done = false;
+ while (!done) {
+ int bottomCellY = (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0);
+ int maxCellY = bottomCellY + viewRows;
+ bottom = top;
+ for (int y = top; y < rows.size(); y++) {
+ bottomCellY += rows.get(y).height;
+ if (bottomCellY >= maxCellY) {
+ break;
+ }
+ bottom++;
+ }
+ if (bottom < selectedRow) {
+ // selectedRow is outside the view range. Push top down, and
+ // calculate again.
+ top++;
+ } else {
+ // selectedRow is inside the view range, done.
+ done = true;
+ }
+ } // while (!done)
+
+ // We have the top/bottom range correct, set cell visibility and
+ // row Y positions.
+ int topCellY = showColumnLabels ? COLUMN_LABEL_HEIGHT : 0;
+ for (int y = 0; y < rows.size(); y++) {
+ if ((y < top) || (y > bottom)) {
+ for (int i = 0; i < columns.size(); i++) {
+ rows.get(y).get(i).setVisible(false);
+ }
+ rows.get(y).setY(getHeight() + 1);
+ continue;
+ }
+ for (int i = 0; i < columns.size(); i++) {
+ rows.get(y).get(i).setVisible(true);
+ }
+ rows.get(y).setY(topCellY);
+ topCellY += rows.get(y).height;
+ }
+
+ }
+
+ /**
+ * Save contents to file.
+ *
+ * @param filename file to save to
+ * @throws IOException if a java.io operation throws
+ */
+ public void saveToFilename(final String filename) throws IOException {
+ // TODO
+ }
+
}
git://git.nikiroo.be / fanfix.git / blobdiff