*/
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 --------------------------------------------------------------
// ------------------------------------------------------------------------
/**
* If true, highlight the entire row of the currently-selected cell.
*/
- private boolean highlightRow = true;
+ private boolean highlightRow = false;
/**
* If true, highlight the entire column of the currently-selected cell.
*/
- private boolean highlightColumn = true;
+ private boolean highlightColumn = false;
/**
* If true, show the row labels as the first column.
*/
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.
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.
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;
+ }
}
// 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.
*
field.setInactiveColorKey("ttable.inactive");
}
+ assert (isVisible() == true);
+
super.draw();
}
// 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)) {
+ 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) {
+ 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.
*
}
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);
@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:
+ if (selectedRow == 0) {
+ topBorder = Border.NONE;
+ }
+ if (selectedColumn == 0) {
+ leftBorder = Border.NONE;
+ }
+ columns.get(selectedColumn).rightBorder = Border.NONE;
+ rows.get(selectedRow).bottomBorder = Border.NONE;
+ rows.get(selectedRow).height = 1;
+ break;
case TMenu.MID_TABLE_BORDER_ALL:
+ if (selectedRow == 0) {
+ topBorder = Border.SINGLE;
+ }
+ if (selectedColumn == 0) {
+ leftBorder = Border.SINGLE;
+ }
+ columns.get(selectedColumn).rightBorder = Border.SINGLE;
+ rows.get(selectedRow).bottomBorder = Border.SINGLE;
+ rows.get(selectedRow).height = 2;
+ break;
case TMenu.MID_TABLE_BORDER_RIGHT:
+ columns.get(selectedColumn).rightBorder = Border.SINGLE;
+ break;
case TMenu.MID_TABLE_BORDER_LEFT:
+ if (selectedColumn == 0) {
+ leftBorder = Border.SINGLE;
+ } else {
+ columns.get(selectedColumn - 1).rightBorder = Border.SINGLE;
+ }
+ break;
case TMenu.MID_TABLE_BORDER_TOP:
+ if (selectedRow == 0) {
+ topBorder = Border.SINGLE;
+ } else {
+ rows.get(selectedRow - 1).bottomBorder = Border.SINGLE;
+ rows.get(selectedRow - 1).height = 2;
+ }
+ break;
case TMenu.MID_TABLE_BORDER_BOTTOM:
+ rows.get(selectedRow).bottomBorder = Border.SINGLE;
+ rows.get(selectedRow).height = 2;
+ break;
case TMenu.MID_TABLE_BORDER_DOUBLE_BOTTOM:
+ rows.get(selectedRow).bottomBorder = Border.DOUBLE;
+ rows.get(selectedRow).height = 2;
+ break;
case TMenu.MID_TABLE_BORDER_THICK_BOTTOM:
+ rows.get(selectedRow).bottomBorder = Border.THICK;
+ rows.get(selectedRow).height = 2;
+ break;
case TMenu.MID_TABLE_DELETE_LEFT:
case TMenu.MID_TABLE_DELETE_UP:
case TMenu.MID_TABLE_DELETE_ROW:
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);
- }
+ 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++) {
- for (Cell cell: columns.get(i).cells) {
- cell.setX(cell.getX() + 1);
- }
+ 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);
}
+
+ // Fix/redraw the display.
+ alignGrid();
}
// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
/**
- * Draw the table row/column headings, and borders.
+ * Draw the table row/column labels, and borders.
*/
@Override
public void draw() {
- CellAttributes headingColor = getTheme().getColor("ttable.heading");
- CellAttributes headingColorSelected = getTheme().getColor("ttable.heading.selected");
+ CellAttributes labelColor = getTheme().getColor("ttable.label");
+ CellAttributes labelColorSelected = getTheme().getColor("ttable.label.selected");
CellAttributes borderColor = getTheme().getColor("ttable.border");
// Column labels.
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));
+ putStringXY(columns.get(i).get(top).getX(),
+ (topBorder == Border.NONE ? 0 : 1),
+ String.format(" %-" +
+ (columns.get(i).width - 2)
+ + "s ", columns.get(i).label),
+ (i == selectedColumn ? labelColorSelected : labelColor));
}
}
}
putStringXY(0, rows.get(i).get(left).getY(),
String.format(" %-6s ", rows.get(i).label),
- (i == selectedRow ? headingColorSelected : headingColor));
+ (i == selectedRow ? labelColorSelected : labelColor));
+ }
+ }
+
+ // Draw vertical borders.
+ if (leftBorder == Border.SINGLE) {
+ vLineXY((showRowLabels ? ROW_LABEL_WIDTH : 0), 0,
+ getHeight(), '\u2502', borderColor);
+ }
+ for (int i = left; i < columns.size(); i++) {
+ if (columns.get(i).get(top).isVisible() == false) {
+ break;
+ }
+ if (columns.get(i).rightBorder == Border.SINGLE) {
+ vLineXY(columns.get(i).getX() + columns.get(i).width,
+ (topBorder == Border.NONE ? 0 : 1),
+ getHeight(), '\u2502', borderColor);
}
}
+ // Draw horizontal borders.
+ if (topBorder == Border.SINGLE) {
+ hLineXY((showRowLabels ? ROW_LABEL_WIDTH : 0), 0,
+ getWidth(), '\u2500', borderColor);
+ }
+ for (int i = top; i < rows.size(); i++) {
+ if (rows.get(i).get(left).isVisible() == false) {
+ break;
+ }
+ if (rows.get(i).bottomBorder == Border.SINGLE) {
+ hLineXY((leftBorder == Border.NONE ? 0 : 1) +
+ (showRowLabels ? ROW_LABEL_WIDTH : 0),
+ rows.get(i).getY() + rows.get(i).height - 1,
+ getWidth(), '\u2500', borderColor);
+ } else if (rows.get(i).bottomBorder == Border.DOUBLE) {
+ hLineXY((leftBorder == Border.NONE ? 0 : 1) +
+ (showRowLabels ? ROW_LABEL_WIDTH : 0),
+ rows.get(i).getY() + rows.get(i).height - 1,
+ getWidth(), '\u2550', borderColor);
+ } else if (rows.get(i).bottomBorder == Border.THICK) {
+ hLineXY((leftBorder == Border.NONE ? 0 : 1) +
+ (showRowLabels ? ROW_LABEL_WIDTH : 0),
+ rows.get(i).getY() + rows.get(i).height - 1,
+ getWidth(), '\u2580', borderColor);
+ }
+ }
+ // Top-left corner if needed
+ if ((topBorder == Border.SINGLE) && (leftBorder == Border.SINGLE)) {
+ putCharXY((showRowLabels ? ROW_LABEL_WIDTH : 0), 0,
+ '\u250c', borderColor);
+ }
+
+ // TODO: draw the correct corners between rows and columns
+
// Now draw the window borders.
super.draw();
}
}
/**
- * Get the full horizontal width of this table.
+ * Get the currently-selected column number. 0 is the left-most column.
*
- * @return the width required to render the entire table
+ * @return the selected column number
*/
- public 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;
+ public int getSelectedColumnNumber() {
+ return selectedColumn;
}
/**
- * Get the full vertical height of this table.
+ * Set the currently-selected column number. 0 is the left-most column.
*
- * @return the height required to render the entire table
+ * @param column the column number to select
*/
- 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.
+ public void setSelectedColumnNumber(final int column) {
+ if ((column < 0) || (column > columns.size() - 1)) {
+ throw new IndexOutOfBoundsException("Column count is " +
+ columns.size() + ", requested index " + column);
}
- return totalHeight;
+ selectedColumn = column;
+ activate(columns.get(selectedColumn).get(selectedRow));
+ alignGrid();
}
/**
- * Align the grid so that the selected cell is fully visible.
+ * Get the currently-selected row number. 0 is the top-most row.
+ *
+ * @return the selected row number
*/
- private void alignGrid() {
+ public int getSelectedRowNumber() {
+ return selectedRow;
+ }
- /*
- * 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);
- }
+ /**
+ * 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();
+ }
- // Adjust X locations to be visible -----------------------------------
+ /**
+ * 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();
+ }
- // Determine if we need to shift left or right.
- int width = getMaximumWidth();
- int leftCellX = 0;
+ /**
+ * Align the grid so that the selected cell is fully visible.
+ */
+ private void alignGrid() {
+ int viewColumns = getWidth();
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;
+ viewColumns -= ROW_LABEL_WIDTH;
+ }
+ if (leftBorder != Border.NONE) {
+ viewColumns--;
+ }
+ int viewRows = getHeight();
+ if (showColumnLabels == true) {
+ viewRows -= COLUMN_LABEL_HEIGHT;
+ }
+ if (topBorder != Border.NONE) {
+ viewRows--;
}
- // There should always be a selected column.
- assert (selectedColumnCell != null);
- int excessWidth = leftCellX + selectedColumnCell.getWidth() + 1 - getWidth();
- if (excessWidth > 0) {
- leftCellX -= excessWidth;
+ // If we pushed left or right, adjust the box to include the new
+ // selected cell.
+ if (selectedColumn < left) {
+ left = selectedColumn - 1;
}
- if (leftCellX < 0) {
- if (showRowLabels == true) {
- leftCellX = 8;
- } else {
- leftCellX = 0;
- }
+ if (left < 0) {
+ left = 0;
+ }
+ if (selectedRow < top) {
+ top = selectedRow - 1;
+ }
+ if (top < 0) {
+ top = 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.
+ * 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.
*
- * Now reset all of the X positions of the other cells so that the
- * selected cell X is leftCellX.
+ * We need to calculate right and bottom now.
*/
- 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);
+ int right = left;
+
+ boolean done = false;
+ while (!done) {
+ int rightCellX = (showRowLabels ? ROW_LABEL_WIDTH : 0);
+ if (leftBorder != Border.NONE) {
+ rightCellX++;
+ }
+ 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;
}
- // Selected cell.
- rows.get(y).cells.get(selectedColumn).setX(leftCellX);
- assert (rows.get(y).cells.get(selectedColumn).isVisible());
+ } // while (!done)
- // 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);
+ // We have the left/right range correct, set cell visibility and
+ // column X positions.
+ int leftCellX = showRowLabels ? ROW_LABEL_WIDTH : 0;
+ if (leftBorder != Border.NONE) {
+ leftCellX++;
+ }
+ 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);
}
- newCellX += rows.get(y).cells.get(x).getWidth() + 1;
+ continue;
}
- }
-
- // 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;
+ for (int i = 0; i < rows.size(); i++) {
+ columns.get(x).get(i).setVisible(true);
}
- topCellY += column.cells.get(i).getHeight();
- // TODO: if a border is selected, add 1 to topCellY.
+ columns.get(x).setX(leftCellX);
+ leftCellX += columns.get(x).width + 1;
}
- // 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;
- }
- }
+ int bottom = top;
- /*
- * 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;
+ done = false;
+ while (!done) {
+ int bottomCellY = (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0);
+ if (topBorder != Border.NONE) {
+ bottomCellY++;
}
-
- // 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);
+ 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)
- // 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);
+ // We have the top/bottom range correct, set cell visibility and
+ // row Y positions.
+ int topCellY = showColumnLabels ? COLUMN_LABEL_HEIGHT : 0;
+ if (topBorder != Border.NONE) {
+ topCellY++;
+ }
+ 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);
}
- newCellY += rows.get(y).cells.get(x).getHeight();
+ 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