*/
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.*;
/**
* If true, highlight the entire row of the currently-selected cell.
*/
- private boolean highlightRow = false;
+ private boolean highlightRow = true;
/**
* If true, highlight the entire column of the currently-selected cell.
*/
- private boolean highlightColumn = false;
+ private boolean highlightColumn = true;
+
+ /**
+ * 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;
/**
* Column represents a column of cells.
*/
private Border border = 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.
*
*/
private Border border = 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.
*
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;
rows.get(row).add(cell);
columns.get(column).add(cell);
if ((i == 0) && (j + columns.get(0).width < width)) {
- columns.add(new Column());
+ columns.add(new Column(column + 1));
}
column++;
}
if (i + rows.get(0).height < height) {
- rows.add(new Row());
+ rows.add(new Row(row + 1));
}
row++;
}
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++) {
+ for (Cell cell: columns.get(i).cells) {
+ cell.setX(cell.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++) {
+ for (Cell cell: columns.get(i).cells) {
+ cell.setX(cell.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).get(top).getWidth() - 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();
+ }
+
+ /**
+ * Get the full horizontal width of this table.
+ *
+ * @return the width required to render the entire table
+ */
+ private int getMaximumWidth() {
+ int totalWidth = 0;
+ if (showRowLabels == true) {
+ // For now, all row labels are 8 cells wide. TODO: make this
+ // adjustable.
+ totalWidth += 8;
+ }
+ for (Cell cell: getSelectedRow().cells) {
+ totalWidth += cell.getWidth() + 1;
+ }
+ return totalWidth;
+ }
+
+ /**
+ * Get the full vertical height of this table.
+ *
+ * @return the height required to render the entire table
+ */
+ private int getMaximumHeight() {
+ int totalHeight = 0;
+ if (showColumnLabels == true) {
+ // For now, all column labels are 1 cell tall. TODO: make this
+ // adjustable.
+ totalHeight += 1;
+ }
+ for (Cell cell: getSelectedColumn().cells) {
+ totalHeight += cell.getHeight();
+ // TODO: handle top/bottom borders.
+ }
+ return totalHeight;
+ }
+
+ /**
+ * Align the grid so that the selected cell is fully visible.
+ */
+ private void alignGrid() {
+
+ /*
+ * We start by assuming that all cells are visible, and then mark as
+ * invisible those that are outside the viewable area.
+ */
+ for (int x = 0; x < columns.size(); x++) {
+ for (int y = 0; y < rows.size(); y++) {
+ Cell cell = rows.get(y).cells.get(x);
+ cell.setVisible(true);
+
+ // Special case: mouse double-clicks can lead to multiple
+ // cells in editing mode. Only allow a cell to remain
+ // editing if it is fact the active widget.
+ if (cell.isEditing && !cell.isActive()) {
+ cell.fieldText = cell.field.getText();
+ cell.isEditing = false;
+ cell.field.setEnabled(false);
+ }
+ }
+ }
+
+ // Adjust X locations to be visible -----------------------------------
+
+ // Determine if we need to shift left or right.
+ int leftCellX = 0;
+ if (showRowLabels == true) {
+ // For now, all row labels are 8 cells wide. TODO: make this
+ // adjustable.
+ leftCellX += 8;
+ }
+ Row row = getSelectedRow();
+ Cell selectedColumnCell = null;
+ for (int i = 0; i < row.cells.size(); i++) {
+ if (i == selectedColumn) {
+ selectedColumnCell = row.cells.get(i);
+ break;
+ }
+ leftCellX += row.cells.get(i).getWidth() + 1;
+ }
+ // There should always be a selected column.
+ assert (selectedColumnCell != null);
+
+ int excessWidth = leftCellX + selectedColumnCell.getWidth() + 1 - getWidth();
+ if (excessWidth > 0) {
+ leftCellX -= excessWidth;
+ }
+ if (leftCellX < 0) {
+ if (showRowLabels == true) {
+ leftCellX = 8;
+ } else {
+ leftCellX = 0;
+ }
+ }
+
+ /*
+ * leftCellX now contains the basic left offset necessary to draw the
+ * cells such that the selected cell (column) is fully visible within
+ * this widget's given width. Or, if the widget is too narrow to
+ * display the full cell, leftCellX is 0 or 8.
+ *
+ * Now reset all of the X positions of the other cells so that the
+ * selected cell X is leftCellX.
+ */
+ for (int y = 0; y < rows.size(); y++) {
+ // All cells to the left of selected cell.
+ int newCellX = leftCellX;
+ left = selectedColumn;
+ for (int x = selectedColumn - 1; x >= 0; x--) {
+ newCellX -= rows.get(y).cells.get(x).getWidth() + 1;
+ if (newCellX >= (showRowLabels ? 8 : 0)) {
+ rows.get(y).cells.get(x).setVisible(true);
+ rows.get(y).cells.get(x).setX(newCellX);
+ left--;
+ } else {
+ // This cell won't be visible.
+ rows.get(y).cells.get(x).setVisible(false);
+ }
+ }
+
+ // Selected cell.
+ rows.get(y).cells.get(selectedColumn).setX(leftCellX);
+ assert (rows.get(y).cells.get(selectedColumn).isVisible());
+
+ // All cells to the right of selected cell.
+ newCellX = leftCellX + selectedColumnCell.getWidth() + 1;
+ for (int x = selectedColumn + 1; x < columns.size(); x++) {
+ if (newCellX <= getWidth()) {
+ rows.get(y).cells.get(x).setVisible(true);
+ rows.get(y).cells.get(x).setX(newCellX);
+ } else {
+ // This cell won't be visible.
+ rows.get(y).cells.get(x).setVisible(false);
+ }
+ newCellX += rows.get(y).cells.get(x).getWidth() + 1;
+ }
+ }
+
+ // Adjust Y locations to be visible -----------------------------------
+ // The same logic as above, but applied to the column Y.
+
+ // Determine if we need to shift up or down.
+ int topCellY = 0;
+ if (showColumnLabels == true) {
+ // For now, all column labels are 1 cell high. TODO: make this
+ // adjustable.
+ topCellY += 1;
+ }
+ Column column = getSelectedColumn();
+ Cell selectedRowCell = null;
+ for (int i = 0; i < column.cells.size(); i++) {
+ if (i == selectedRow) {
+ selectedRowCell = column.cells.get(i);
+ break;
+ }
+ topCellY += column.cells.get(i).getHeight();
+ // TODO: if a border is selected, add 1 to topCellY.
+ }
+ // There should always be a selected row.
+ assert (selectedRowCell != null);
+
+ int excessHeight = topCellY + selectedRowCell.getHeight() - getHeight() - 1;
+ if (showColumnLabels == true) {
+ excessHeight += 1;
+ }
+ if (excessHeight > 0) {
+ topCellY -= excessHeight;
+ }
+ if (topCellY < 0) {
+ if (showColumnLabels == true) {
+ topCellY = 1;
+ } else {
+ topCellY = 0;
+ }
+ }
+
+ /*
+ * topCellY now contains the basic top offset necessary to draw the
+ * cells such that the selected cell (row) is fully visible within
+ * this widget's given height. Or, if the widget is too short to
+ * display the full cell, topCellY is 0 or 1.
+ *
+ * Now reset all of the Y positions of the other cells so that the
+ * selected cell Y is topCellY.
+ */
+ for (int x = 0; x < columns.size(); x++) {
+
+ if (columns.get(x).get(0).isVisible() == false) {
+ // This column won't be visible as determined by the checks
+ // above, just continue to the next.
+ continue;
+ }
+
+ // All cells above the selected cell.
+ int newCellY = topCellY;
+ top = selectedRow;
+ for (int y = selectedRow - 1; y >= 0; y--) {
+ newCellY -= rows.get(y).cells.get(x).getHeight();
+ if (newCellY >= (showColumnLabels == true ? 1 : 0)) {
+ rows.get(y).cells.get(x).setVisible(true);
+ rows.get(y).cells.get(x).setY(newCellY);
+ top--;
+ } else {
+ // This cell won't be visible.
+ rows.get(y).cells.get(x).setVisible(false);
+ }
+ }
+
+ // Selected cell.
+ columns.get(x).cells.get(selectedRow).setY(topCellY);
+
+ // All cells below the selected cell.
+ newCellY = topCellY + selectedRowCell.getHeight();
+ for (int y = selectedRow + 1; y < rows.size(); y++) {
+ if (newCellY <= getHeight()) {
+ rows.get(y).cells.get(x).setVisible(true);
+ rows.get(y).cells.get(x).setY(newCellY);
+ } else {
+ // This cell won't be visible.
+ rows.get(y).cells.get(x).setVisible(false);
+ }
+ newCellY += rows.get(y).cells.get(x).getHeight();
+ }
+ }
+
+ }
+
+ /**
+ * 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