import java.util.ArrayList;
import java.util.List;
+import jexer.bits.CellAttributes;
import jexer.event.TKeypressEvent;
import jexer.event.TMenuEvent;
+import jexer.event.TResizeEvent;
import jexer.menu.TMenu;
import static jexer.TKeypress.*;
*/
private boolean showRowLabels = true;
+ /**
+ * If true, show the column labels as the first row.
+ */
+ private boolean showColumnLabels = true;
+
/**
* Column represents a column of cells.
*/
/**
* Column label.
*/
- private String label;
+ private String label = "";
/**
* The border for 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.setBackgroundChar(' ');
}
alignGrid();
}
+ /**
+ * Handle widget resize events.
+ *
+ * @param event resize event
+ */
+ @Override
+ public void onResize(final TResizeEvent event) {
+ super.onResize(event);
+
+ alignGrid();
+ }
+
/**
* Handle posted menu events.
*
// TWidget ----------------------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * Draw the table row/column headings, and borders.
+ */
+ @Override
+ public void draw() {
+ CellAttributes headingColor = getTheme().getColor("ttable.heading");
+ CellAttributes headingColorSelected = getTheme().getColor("ttable.heading.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(" %-6s ", columns.get(i).label),
+ (i == selectedColumn ? headingColorSelected : headingColor));
+ }
+ }
+
+ // 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 ? headingColorSelected : headingColor));
+ }
+ }
+
+ // Now draw the window borders.
+ super.draw();
+ }
+
// ------------------------------------------------------------------------
// TTable -----------------------------------------------------------------
// ------------------------------------------------------------------------
return totalWidth;
}
+ /**
+ * Get the full vertical height of this table.
+ *
+ * @return the height required to render the entire table
+ */
+ public 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++) {
+ rows.get(y).cells.get(x).setVisible(true);
+ }
+ }
+
+ // Adjust X locations to be visible -----------------------------------
+
// Determine if we need to shift left or right.
int width = getMaximumWidth();
int leftCellX = 0;
// adjustable.
leftCellX += 8;
}
- // TODO
+ 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 - rows.get(y).cells.get(x).getWidth() + 1 >= 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 height = getMaximumHeight();
+ 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;
+ }
+ }
- // TODO: determine shift up/down
+ /*
+ * 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).cells.get(0).isVisible() == false) {
+ // This entire column will not be visible, as determined by
+ // the width checks above. Do no further processing.
+ break;
+ }
+
+ // 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);
+ assert (columns.get(x).cells.get(selectedRow).isVisible());
+
+ // 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();
+ }
+ }
}
git://git.nikiroo.be / fanfix.git / blobdiff