private void addClippedLine(
MyPoint prevP, MyPoint curP, geogebra.common.awt.GRectangle viewRect) {
// check if both points on screen
if (viewRect.contains(prevP) && viewRect.contains(curP)) {
// draw line to point
addToGeneralPath(curP, true);
return;
}
// at least one point is not on screen: clip line at screen
geogebra.common.awt.GPoint2D[] clippedPoints =
ClipLine.getClipped(
prevP.getX(),
prevP.getY(),
curP.getX(),
curP.getY(),
-10,
view.getWidth() + 10,
-10,
view.getHeight() + 10);
if (clippedPoints != null) {
// we have two intersection points with the screen
// get closest clip point to prevP
int first = 0;
int second = 1;
if (clippedPoints[first].distance(prevP.getX(), prevP.getY())
> clippedPoints[second].distance(prevP.getX(), prevP.getY())) {
first = 1;
second = 0;
}
// draw line to first clip point
addToGeneralPath(clippedPoints[first], true);
// draw line between clip points: this ensures high quality
// rendering
// which Java2D doesn't deliver with the regular float GeneralPath
// and huge coords
addToGeneralPath(clippedPoints[second], true);
// draw line to end point if not already there
addToGeneralPath(getPointCloseToScreen(curP.getX(), curP.getY()), true);
} else {
// line is off screen
// draw line to off screen end point
addToGeneralPath(getPointCloseToScreen(curP.getX(), curP.getY()), true);
}
}
public void onMouseMove(MouseMoveEvent e) {
GPoint p = table.getIndexFromPixel(e.getClientX(), e.getClientY());
if (p.getY() == 0 && p.getX() > 0) {
table.scc.onMouseMove(e);
return;
} else if (p.getX() == 0 && p.getY() > 0) {
table.srh.onMouseMove(e);
return;
}
e.preventDefault();
boolean eConsumed = false;
// TODO: move the content of the mouseMoved method here
// DRAG
if (mouseIsDown) {
if (table.getTableMode() == MyTable.TABLE_MODE_AUTOFUNCTION
|| table.getTableMode() == MyTable.TABLE_MODE_DROP) {
// System.out.println("drop is dragging ");
return;
}
// handle editing mode drag
if (editor.isEditing()) {
GPoint point = table.getIndexFromPixel(e.getClientX(), e.getClientY());
if (point != null && selectedCellName != null) {
int column2 = point.getX() - 1;
int row2 = point.getY() - 1;
MatchResult matcher = GeoElementSpreadsheet.spreadsheetPattern.exec(selectedCellName);
int column1 = GeoElementSpreadsheet.getSpreadsheetColumn(matcher);
int row1 = GeoElementSpreadsheet.getSpreadsheetRow(matcher);
if (column1 > column2) {
int temp = column1;
column1 = column2;
column2 = temp;
}
if (row1 > row2) {
int temp = row1;
row1 = row2;
row2 = temp;
}
String name1 = GeoElementSpreadsheet.getSpreadsheetCellName(column1, row1);
String name2 = GeoElementSpreadsheet.getSpreadsheetCellName(column2, row2);
if (!name1.equals(name2)) {
name1 += ":" + name2;
}
name1 = prefix0 + name1 + postfix0;
editor.setLabel(name1);
table.minColumn2 = column1;
table.maxColumn2 = column2;
table.minRow2 = row1;
table.maxRow2 = row2;
table.repaint();
}
return;
}
// handle dot drag
if (table.isDragingDot) {
eConsumed = true;
int mouseX = e.getClientX();
int mouseY = e.getClientY();
GPoint mouseCell = table.getIndexFromPixel(mouseX, mouseY);
// save the selected cell position so it can be re-selected if
// needed
CellRange oldSelection = table.getSelectedCellRanges().get(0);
if (mouseCell == null) { // user has dragged outside the table, to
// left or above
table.dragingToRow = -1;
table.dragingToColumn = -1;
} else {
table.dragingToRow = mouseCell.getY();
table.dragingToColumn = mouseCell.getX();
GRectangle selRect = table.getSelectionRect(true);
// increase size if we're at the bottom of the spreadsheet
if (table.dragingToRow + 1 == table.getRowCount()
&& table.dragingToRow < Kernel.MAX_SPREADSHEET_ROWS) {
model.setRowCount(table.getRowCount() + 1);
}
// increase size if we go beyond the right edge
if (table.dragingToColumn + 1 == table.getColumnCount()
&& table.dragingToColumn < Kernel.MAX_SPREADSHEET_COLUMNS) {
model.setColumnCount(table.getColumnCount() + 1);
view.columnHeaderRevalidate();
// Java's addColumn method will clear selection, so
// re-select our cell
table.setSelection(oldSelection);
}
// scroll to show "highest" selected cell
// TODO//table.scrollRectToVisible(table.getCellRect(mouseCell.y, mouseCell.x, true));
if (!selRect.contains(e.getClientX(), e.getClientY())) {
int rowOffset = 0, colOffset = 0;
// get row distance
if (table.minSelectionRow > 0 && table.dragingToRow < table.minSelectionRow) {
rowOffset = mouseY - (int) selRect.getY();
if (-rowOffset
< 0.5
* table
.getCellRect(table.minSelectionRow - 1, table.minSelectionColumn, true)
.getHeight()) rowOffset = 0;
} else if (table.maxSelectionRow < Kernel.MAX_SPREADSHEET_ROWS
&& table.dragingToRow > table.maxSelectionRow) {
rowOffset = mouseY - ((int) selRect.getY() + (int) selRect.getHeight());
if (rowOffset
< 0.5
* table
.getCellRect(table.maxSelectionRow + 1, table.maxSelectionColumn, true)
.getHeight()) rowOffset = 0;
}
// get column distance
if (table.minSelectionColumn > 0 && table.dragingToColumn < table.minSelectionColumn) {
colOffset = mouseX - (int) selRect.getX();
if (-colOffset
< 0.5
* table
.getCellRect(table.minSelectionRow, table.minSelectionColumn - 1, true)
.getWidth()) colOffset = 0;
} else if (table.maxSelectionColumn < Kernel.MAX_SPREADSHEET_COLUMNS
&& table.dragingToColumn > table.maxSelectionColumn) {
colOffset = mouseX - ((int) selRect.getX() + (int) selRect.getWidth());
if (colOffset
< 0.5
* table
.getCellRect(table.maxSelectionRow, table.maxSelectionColumn + 1, true)
.getWidth()) colOffset = 0;
}
if (rowOffset == 0 && colOffset == 0) {
table.dragingToColumn = -1;
table.dragingToRow = -1;
} else if (Math.abs(rowOffset) > Math.abs(colOffset)) {
table.dragingToRow = mouseCell.y;
table.dragingToColumn =
(colOffset > 0) ? table.maxSelectionColumn : table.minSelectionColumn;
} else {
table.dragingToColumn = mouseCell.x;
table.dragingToRow = (rowOffset > 0) ? table.maxSelectionRow : table.minSelectionRow;
}
table.repaint();
}
// handle ctrl-select dragging of cell blocks
else {
/*TODO if (e.isControlDown()) {
table.handleControlDragSelect(e);
}*/
}
}
}
if (eConsumed) return;
// MyTable's default listeners follow, they should be simulated in Web e.g. here
// change selection if right click is outside current selection
if (p.getY() != table.leadSelectionRow + 1 || p.getX() != table.leadSelectionColumn + 1) {
// switch to cell selection mode
if (p.getY() > 0 && p.getX() > 0) {
if (table.getSelectionType() != MyTable.CELL_SELECT) {
table.setSelectionType(MyTable.CELL_SELECT);
}
// now change the selection
table.changeSelection(p.getY() - 1, p.getX() - 1, false, true);
table.repaint();
}
}
} else {
// MOVE, NO DRAG
if (table.isEditing()) return;
// get GeoElement at mouse location
int row = p.getY(); // ?//table.rowAtPoint(e.getPoint());
int col = p.getX(); // ?//table.columnAtPoint(e.getPoint());
GeoElement geo = (GeoElement) model.getValueAt(row - 1, col - 1);
// set tooltip with geo's description
if (geo != null & view.getAllowToolTips()) {
app.setTooltipFlag();
// TODO//table.setToolTipText(geo.getLongDescriptionHTML(true, true));
app.clearTooltipFlag();
} else {
// TODO//table.setToolTipText(null);
}
// check if over the dragging dot and update accordingly
GPoint maxPoint = table.getMaxSelectionPixel();
GPoint minPoint = table.getMinSelectionPixel();
if (maxPoint != null) {
int dotX = maxPoint.getX();
int dotY = maxPoint.getY();
int s = MyTableW.DOT_SIZE + 2;
GRectangle2DW dotRect = new GRectangle2DW(dotX - s / 2, dotY - s / 2, s, s);
boolean overDot = dotRect.contains(e.getClientX(), e.getClientY());
if (table.isOverDot != overDot) {
table.isOverDot = overDot;
// TODO//setTableCursor();
table.repaint();
}
}
// check if over the DnD region and update accordingly
GPoint testPoint = table.getMinSelectionPixel();
if (testPoint != null) {
int minX = minPoint.getX();
int minY = minPoint.getY();
int maxX = maxPoint.getX();
int w = maxX - minX;
GRectangle2DW dndRect = new GRectangle2DW(minX, minY - 2, w, 4);
boolean overDnD = dndRect.contains(e.getClientX(), e.getClientY());
if (table.isOverDnDRegion != overDnD) {
table.isOverDnDRegion = overDnD;
// TODO//setTableCursor();
}
}
}
}