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CPTableView -dragViewForRowsWithIndexes:

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- Change the way dragViewOffset is computed to conform to cocoa
- Drag exposed rows only
This commit is contained in:
cacaodev
2010-01-29 01:22:38 -05:00
committed by Randall Luecke
parent b081debf88
commit 37fbeaad02
1 changed files with 41 additions and 33 deletions
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AppKit/CPTableView.j
+41 -33
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@@ -1445,8 +1445,8 @@ window.setTimeout(function(){
event:(CPEvent)theDragEvent
offset:(CPPoint)dragViewOffset
{
var size = [self bounds].size,
view = [[CPView alloc] initWithFrame:CPMakeRect(dragViewOffset.x, dragViewOffset.y, size.width, size.height)];
var bounds = [self bounds],
view = [[CPView alloc] initWithFrame:bounds];
[view setBackgroundColor:[CPColor clearColor]];
[view setAlphaValue:0.7];
@@ -1455,32 +1455,40 @@ window.setTimeout(function(){
// After that we can copy these add them to a transparent drag view and use that drag view
// to make it appear we are dragging images of those rows (as you would do in regular Cocoa)
var firstExposedColumn = [_exposedColumns firstIndex],
exposedLength = [_exposedColumns lastIndex] - firstExposedColumn + 1,
columns = [];
firstExposedRow = [_exposedRows firstIndex],
exposedColumnsLength = [_exposedColumns lastIndex] - firstExposedColumn + 1,
exposedRowsLength = [_exposedRows lastIndex] - firstExposedRow + 1,
columns = [],
rows = [];
[_exposedColumns getIndexes:columns maxCount:-1 inIndexRange:CPMakeRange(firstExposedColumn, exposedLength)];
var columnIndex = [columns count],
draggedDataViews = [],
dragViewHeight = 0.0;
[_exposedColumns getIndexes:columns maxCount:-1 inIndexRange:CPMakeRange(firstExposedColumn, exposedColumnsLength)];
[theDraggedRows getIndexes:rows maxCount:-1 inIndexRange:CPMakeRange(firstExposedRow, exposedRowsLength)];
var columnIndex = [columns count];
while (columnIndex--) {
var column = [_tableColumns objectAtIndex:columnIndex],
yOffset = 0,
rowIndex = CPNotFound;
while (columnIndex--)
{
var column = columns[columnIndex],
tableColumn = [_tableColumns objectAtIndex:column],
rowIndex = [rows count];
while ((rowIndex = [_selectedRowIndexes indexGreaterThanIndex:rowIndex]) !== CPNotFound)
{
var dataView = [self _newDataViewForRow:rowIndex tableColumn:column];
while (rowIndex--)
{
var row = rows[rowIndex];
var dataView = [self _newDataViewForRow:row tableColumn:tableColumn];
[dataView setBackgroundColor:[CPColor clearColor]];
[dataView setFrame:[self frameOfDataViewAtColumn:columnIndex row:rowIndex]];
[dataView setObjectValue:[self _objectValueForTableColumn:column row:rowIndex]];
[dataView setFrame:[self frameOfDataViewAtColumn:column row:row]];
[dataView setObjectValue:[self _objectValueForTableColumn:tableColumn row:row]];
[view addSubview:dataView];
}
}
var dragPoint = [self convertPoint:[theDragEvent locationInWindow] fromView:nil];
dragViewOffset.x = CGRectGetWidth(bounds)/2 - dragPoint.x;
dragViewOffset.y = CGRectGetHeight(bounds)/2 - dragPoint.y;
return view;
}
@@ -2155,10 +2163,8 @@ window.setTimeout(function(){
/* ignore */
- (BOOL)continueTracking:(CGPoint)lastPoint at:(CGPoint)aPoint
{
var row = [self rowAtPoint:aPoint];
// begin the drag is the datasource lets us, we've move at least +-3px vertical or horizontal, or we're dragging from selected rows and we haven't begun a drag session
if
(
@@ -2170,7 +2176,7 @@ window.setTimeout(function(){
)
)
{
if([_selectedRowIndexes containsIndex:row])
if ([_selectedRowIndexes containsIndex:row])
_draggedRowIndexes = [[CPIndexSet alloc] initWithIndexSet:_selectedRowIndexes];
else
_draggedRowIndexes = [CPIndexSet indexSetWithIndex:row];
@@ -2179,32 +2185,34 @@ window.setTimeout(function(){
//ask the datasource for the data
var pboard = [CPPasteboard pasteboardWithName:CPDragPboard];
if([self canDragRowsWithIndexes:_draggedRowIndexes atPoint:aPoint] && [_dataSource tableView:self writeRowsWithIndexes:_draggedRowIndexes toPasteboard:pboard])
if ([self canDragRowsWithIndexes:_draggedRowIndexes atPoint:aPoint] && [_dataSource tableView:self writeRowsWithIndexes:_draggedRowIndexes toPasteboard:pboard])
{
var currentEvent = [CPApp currentEvent],
offset = CPPointMakeZero();
offset = CPPointMakeZero(),
tableColumns = [_tableColumns objectsAtIndexes:_exposedColumns];
// We deviate from the default Cocoa implementation here by asking for a view in stead of an image
// We support both, but the view prefered over the image because we can mimic the rows we are dragging
// by re-creating the data views for the dragged rows
var view = [self dragViewForRowsWithIndexes:_draggedRowIndexes
tableColumns:_exposedColumns
tableColumns:tableColumns
event:currentEvent
offset:CPPointMakeZero()];
offset:offset];
if (!view) {
if (!view)
{
var image = [self dragImageForRowsWithIndexes:_draggedRowIndexes
tableColumns:_exposedColumns
tableColumns:tableColumns
event:currentEvent
offset:CPPointMakeZero()];
view = [[CPImageView alloc] initWithFrame:CPMakeRect(aPoint.x, aPoint.y, [image size].width, [image size].height)];
offset:offset];
view = [[CPImageView alloc] initWithFrame:CPMakeRect(0, 0, [image size].width, [image size].height)];
[view setImage:image];
offset = aPoint;
}
[self dragView:view at:offset offset:CPPointMakeZero() event:[CPApp currentEvent] pasteboard:pboard source:self slideBack:YES];
var bounds = [view bounds];
var viewLocation = CPPointMake(aPoint.x - CGRectGetWidth(bounds)/2 + offset.x, aPoint.y - CGRectGetHeight(bounds)/2 + offset.y);
[self dragView:view at:viewLocation offset:CPPointMakeZero() event:[CPApp currentEvent] pasteboard:pboard source:self slideBack:YES];
return NO;
}
}