Test live variable row height in CPtableView

Variable row height

/*
 * AppController.j
 * TestTemplate
 *
 * Created by You on August 10, 2010.
 * Copyright 2010, Your Company All rights reserved.
 */

@import <Foundation/CPObject.j>

var tableTestDragType = "tableTestDragType";

var totalCalls = 0;
var totalDur = 0;

@implementation AppController : CPObject
{
    CPTableView table;
    CPTableColumn columnA;
    CPTableColumn columnB;
    CPTableColumn columnC;
    CPTableColumn columnD;
    
    CPInteger rowHeight;
}

- (void)applicationDidFinishLaunching:(CPNotification)aNotification
{
    rowHeight = 10;
    var theWindow = [[CPWindow alloc] initWithContentRect:CGRectMakeZero() styleMask:CPBorderlessBridgeWindowMask],
        contentView = [theWindow contentView],
        button = [[CPButton alloc] initWithFrame:CGRectMake(10,10,100,24)];

    [button setTitle:"toggle selection style"];
    [button sizeToFit];
    [button setTarget:self];
    [button setAction:@selector(toggleStyle:)];

    [contentView addSubview:button];
    
    var scroll = [[CPScrollView alloc] initWithFrame:CGRectMake(100,100,700,400)];
    
    table = [[CPTableView alloc] initWithFrame:CGRectMakeZero()];
    [table setDataSource:self];
    [table setDelegate:self];
    [table setUsesAlternatingRowBackgroundColors:YES];

    [table setGridStyleMask:CPTableViewSolidVerticalGridLineMask|CPTableViewSolidHorizontalGridLineMask];
    [table setAllowsMultipleSelection:YES];
    [table registerForDraggedTypes:[tableTestDragType]];

    [table setIntercellSpacing:CGSizeMake(0,0)];

    columnA = [[CPTableColumn alloc] initWithIdentifier:"A"];
    [table addTableColumn:columnA];
    [[columnA headerView] setStringValue:"A"];
    [columnA setWidth:175];

    columnB = [[CPTableColumn alloc] initWithIdentifier:"B"];
    [table addTableColumn:columnB];
    [[columnB headerView] setStringValue:"B"];
    [columnB setWidth:175]

    columnC = [[CPTableColumn alloc] initWithIdentifier:"C"];
    [table addTableColumn:columnC];
    [[columnC headerView] setStringValue:"C"];
    [columnC setWidth:175];

    columnD = [[CPTableColumn alloc] initWithIdentifier:"D"];
    [table addTableColumn:columnD];
    [[columnD headerView] setStringValue:"D"];
    [columnD setWidth:175];

    columnE = [[CPTableColumn alloc] initWithIdentifier:"E"];
    [table addTableColumn:columnE];
    [[columnE headerView] setStringValue:"E"];
    [columnE setWidth:175];

    [scroll setDocumentView:table];

    [contentView addSubview:scroll];
    
    // Left slider for a delegate driven row height
    var slider = [[CPSlider alloc] initWithFrame:CGRectMake(300,10,200,30)];
    [slider setMinValue:5];
    [slider setMaxValue:30];
    [slider setObjectValue:rowHeight];
    [slider setTarget:self];
    [slider setAction:@selector(setHeightOfRow:)];
    [contentView addSubview:slider];
    
    // Right slider for a simple global -setRowHeight:
    var slider2 = [[CPSlider alloc] initWithFrame:CGRectMake(500,10,200,30)];
    [slider2 setMinValue:25];
    [slider2 setMaxValue:200];
    [slider2 setObjectValue:rowHeight];
    [slider2 setTarget:self];
    [slider2 setAction:@selector(setRowHeight:)];
    [contentView addSubview:slider2];
    
    [theWindow orderFront:self];
}

- (int)numberOfRowsInTableView:(id)tableView
{
    return 2000;
}

- (id)tableView:(id)tableView objectValueForTableColumn:(CPTableColumn)aColumn row:(int)aRow
{
    return "Column " + [aColumn identifier] + " Row " + aRow;
}

- (void)setRowHeight:(id)sender
{
    [table setRowHeight:[sender floatValue]];
    var rows = table._exposedRows;    
    [table noteHeightOfRowsWithIndexesChanged:rows];
    [table _layoutDataViewsInRows:rows columns:table._exposedColumns];
    [table setNeedsLayout];  
}

- (void)setHeightOfRow:(id)sender
{
    rowHeight = ROUND([sender floatValue]);
    
    var start = new Date();

    [table noteHeightOfRowsWithIndexesChanged:table._exposedRows];
// The following has to be called inside -noteHeightOfRowsWithIndexesChanged:
    [table _layoutDataViewsInRows:table._exposedRows columns:table._exposedColumns];
    [table setNeedsLayout];
// OR:
//    [table reloadData];
 
    var end = new Date();
    totalCalls++;
    totalDur += (end - start);
    CPLogConsole("average time pre row: " + ROUND(100*totalDur / totalCalls)/100);
}

- (int)tableView:(CPTableView)aTableView heightOfRow:(int)aRow
{
    return aRow % 2 ? rowHeight : 30;
    return aRow % 2 ? 1010 - (aRow * 10) : 10 + (aRow * 10);
}

- (BOOL)tableView:(CPTableView)aTableView isGroupRow:(int)aRow
{
    return !(aRow % 5);
}

- (void)toggleStyle:(id)sender
{
    var style = [table selectionHighlightStyle];

    if (style === CPTableViewSelectionHighlightStyleSourceList)
        [table setSelectionHighlightStyle:CPTableViewSelectionHighlightStyleRegular];
    else
        [table setSelectionHighlightStyle:CPTableViewSelectionHighlightStyleSourceList]
}


- (BOOL)tableView:(CPTableView)aTableView writeRowsWithIndexes:(CPIndexSet)rowIndexes toPasteboard:(CPPasteboard)pboard
{
    var data = [rowIndexes, [aTableView UID]];
    
    var encodedData = [CPKeyedArchiver archivedDataWithRootObject:data];
    [pboard declareTypes:[CPArray arrayWithObject:tableTestDragType] owner:self];
    [pboard setData:encodedData forType:tableTestDragType];
    
    return YES;
}

- (CPDragOperation)tableView:(CPTableView)aTableView 
                   validateDrop:(id)info 
                   proposedRow:(CPInteger)row 
                   proposedDropOperation:(CPTableViewDropOperation)operation
{
    [aTableView setDropRow:(row) dropOperation:CPTableViewDropOn];
        
    return CPDragOperationMove;
}

- (BOOL)tableView:(CPTableView)aTableView acceptDrop:(id)info row:(int)row dropOperation:(CPTableViewDropOperation)operation
{
    return YES;
}

@end