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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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Cocoa/ListView: in vsIcon/vsSmallIcon/vsList, checkBoxes supported
This commit is contained in:
rich2014
parent
06c6e6acc6
commit
2ba0a1a649
@ -10,35 +10,43 @@ interface
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uses
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Classes, SysUtils,
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MacOSAll, CocoaAll,
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CocoaPrivate, Cocoa_Extra, CocoaCallback, CocoaConfig, CocoaUtils,
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CocoaPrivate, Cocoa_Extra, CocoaCallback, CocoaConfig, CocoaConst, CocoaUtils,
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CocoaListView, CocoaTextEdits,
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LCLType, Controls, ComCtrls, StdCtrls, ImgList, Forms;
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type
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{ TCocoaCollectionItem }
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TCocoaCollectionItem = objcclass(NSCollectionViewItem)
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private
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_checkBox: NSButton;
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private
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procedure checkboxAction(sender: NSButton); message 'checkboxAction:';
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public
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procedure loadView; override;
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function checkBox: NSButton; message 'checkBox';
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procedure createCheckBox; message 'createCheckBox';
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procedure prepareForReuse; message 'prepareForReuse';
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procedure dealloc; override;
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end;
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{ TCocoaListView_CollectionView_StyleHandler }
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TCocoaListView_CollectionView_StyleHandler = class
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private
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_collectionView: NSCollectionView;
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public
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constructor Create( collectionView: NSCollectionView ); virtual;
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function hasCheckBoxes: Boolean;
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public
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procedure onInit; virtual; abstract;
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procedure resetSize; virtual; abstract;
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procedure onInit; virtual;
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procedure onUpdateItemValue( indexPath:NSIndexPath;
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cocoaItem:NSCollectionViewItem ); virtual; abstract;
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cocoaItem:TCocoaCollectionItem ); virtual; abstract;
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procedure onUpdateItemSize( baseSize: NSSize ); virtual; abstract;
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procedure onUpdateItemLayout( item:NSCollectionViewItem ); virtual; abstract;
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procedure onUpdateItemLayout( cocoItem: TCocoaCollectionItem ); virtual; abstract;
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procedure onAdjustTextEditorRect( var aFrame: NSRect ); virtual; abstract;
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end;
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{ TCocoaCollectionItem }
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TCocoaCollectionItem = objcclass(NSCollectionViewItem)
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public
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procedure loadView; override;
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procedure prepareForReuse; message 'prepareForReuse';
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procedure dealloc; override;
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end;
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{ TCocoaCollectionItemView }
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TCocoaCollectionItemView = objcclass(NSView)
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private
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@ -53,10 +61,15 @@ type
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NSCollectionViewDataSourceProtocol,
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NSCollectionViewDelegateProtocol_1011,
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TCocoaListViewBackendControlProtocol )
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private
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_checkBoxes: Boolean;
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public
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styleHandler: TCocoaListView_CollectionView_StyleHandler;
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iconSize: NSSize;
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itemSize: NSSize;
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procedure lclSetCheckBoxes( checkBoxes: Boolean); message 'lclSetCheckBoxes:';
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function lclHasCheckBoxes: Boolean; message 'lclHasCheckBoxes';
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public
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callback: TLCLListViewCallback;
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function lclGetCallback: ICommonCallback; override;
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@ -193,28 +206,28 @@ type
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{ TCocoaListView_CollectionView_LargeIconHandler }
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TCocoaListView_CollectionView_LargeIconHandler = class(TCocoaListView_CollectionView_StyleHandler)
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procedure onInit; override;
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procedure onUpdateItemValue(indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem); override;
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procedure resetSize; override;
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procedure onUpdateItemValue( indexPath:NSIndexPath; cocoaItem:TCocoaCollectionItem ); override;
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procedure onUpdateItemSize( baseSize: NSSize ); override;
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procedure onUpdateItemLayout(item: NSCollectionViewItem); override;
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procedure onUpdateItemLayout( cocoaItem: TCocoaCollectionItem ); override;
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procedure onAdjustTextEditorRect( var aFrame: NSRect ); override;
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end;
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{ TCocoaListView_CollectionView_SmallIconHandler }
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TCocoaListView_CollectionView_SmallIconHandler = class(TCocoaListView_CollectionView_StyleHandler)
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procedure onInit; override;
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procedure onUpdateItemValue(indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem); override;
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procedure resetSize; override;
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procedure onUpdateItemValue( indexPath:NSIndexPath; cocoaItem:TCocoaCollectionItem ); override;
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procedure onUpdateItemSize( baseSize: NSSize ); override;
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procedure onUpdateItemLayout(item: NSCollectionViewItem); override;
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procedure onUpdateItemLayout( cocoaItem: TCocoaCollectionItem ); override;
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procedure onAdjustTextEditorRect( var aFrame: NSRect ); override;
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end;
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{ TCocoaListView_CollectionView_ListHandler }
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TCocoaListView_CollectionView_ListHandler = class(TCocoaListView_CollectionView_StyleHandler)
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procedure onInit; override;
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procedure onUpdateItemValue(indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem); override;
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procedure resetSize; override;
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procedure onUpdateItemValue( indexPath:NSIndexPath; cocoaItem:TCocoaCollectionItem ); override;
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procedure onUpdateItemSize( baseSize: NSSize ); override;
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procedure onUpdateItemLayout(item: NSCollectionViewItem); override;
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procedure onUpdateItemLayout( cocoaItem: TCocoaCollectionItem ); override;
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procedure onAdjustTextEditorRect( var aFrame: NSRect ); override;
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end;
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@ -273,9 +286,19 @@ begin
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_collectionView:= collectionView;
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end;
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function TCocoaListView_CollectionView_StyleHandler.hasCheckBoxes: Boolean;
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begin
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Result:= TCocoaCollectionView(_collectionView).lclHasCheckBoxes;
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end;
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procedure TCocoaListView_CollectionView_StyleHandler.onInit;
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begin
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self.resetSize;
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end;
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{ TCocoaListView_CollectionView_LargeIconHandler }
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procedure TCocoaListView_CollectionView_LargeIconHandler.onInit;
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procedure TCocoaListView_CollectionView_LargeIconHandler.resetSize;
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var
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layout: NSCollectionViewFlowLayout;
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minSize: NSSize;
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@ -283,6 +306,10 @@ begin
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layout:= NSCollectionViewFlowLayout(_collectionView.collectionViewLayout);
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minSize.width:= 64;
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minSize.height:= 68;
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if self.hasCheckBoxes then
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minSize.width:= minSize.width + 24;
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TCocoaCollectionView(_collectionView).itemSize:= minSize;
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layout.setItemSize( minSize );
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layout.setMinimumInteritemSpacing( 4 );
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@ -290,19 +317,21 @@ begin
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end;
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procedure TCocoaListView_CollectionView_LargeIconHandler.onUpdateItemValue(
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indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem);
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indexPath: NSIndexPath; cocoaItem: TCocoaCollectionItem);
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var
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row: NSInteger;
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cv: TCocoaCollectionView;
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cocoaImage: NSImage;
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lclImageIndex: Integer;
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lclText: String;
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begin
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row:= indexPath.item;
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cv:= TCocoaCollectionView(_collectionView);
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cv.callback.GetItemImageAt( indexPath.item, 0, lclImageIndex );
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cv.callback.GetItemImageAt( row, 0, lclImageIndex );
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cocoaImage:= cv.callback.GetImageFromIndex( lclImageIndex );
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cocoaItem.imageView.setImage( cocoaImage );
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cv.callback.GetItemTextAt( indexPath.item, 0, lclText );
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cv.callback.GetItemTextAt( row, 0, lclText );
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cocoaItem.textField.setStringValue( StrToNSString(lclText) );
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end;
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@ -324,26 +353,44 @@ begin
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cv.itemSize.Width:= 64;
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if cv.itemSize.Height < 68 then
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cv.itemSize.Height:= 68;
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if self.hasCheckBoxes then
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cv.itemSize.Width:= cv.itemSize.Width + 24;
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end;
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procedure TCocoaListView_CollectionView_LargeIconHandler.onUpdateItemLayout(
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item: NSCollectionViewItem);
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cocoaItem: TCocoaCollectionItem);
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var
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cv: TCocoaCollectionView;
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aFrame: NSRect;
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checkBox: NSButton;
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begin
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checkBox:= cocoaItem.checkBox;
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cv:= TCocoaCollectionView(_collectionView);
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aFrame.origin.x:= (cv.itemSize.Width - cv.iconSize.Width) / 2;
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aFrame.origin.y:= cv.itemSize.Height - cv.iconSize.Height - 10;
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aFrame.size:= cv.iconSize;
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item.imageView.setFrame( aFrame );
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if Assigned(checkBox) then
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aFrame.origin.x:= aFrame.origin.x + 12;
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cocoaItem.imageView.setFrame( aFrame );
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aFrame.origin.x:= 0;
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aFrame.origin.y:= 9;
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aFrame.size.width:= cv.itemSize.Width;
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aFrame.size.height:= 15;
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item.textField.setAlignment( NSTextAlignmentCenter );
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item.textField.setFrame( aFrame );
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if Assigned(checkBox) then
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aFrame.origin.x:= aFrame.origin.x + 24;
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aFrame.size.width:= cv.itemSize.Width - aFrame.origin.x;
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cocoaItem.textField.setAlignment( NSTextAlignmentCenter );
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cocoaItem.textField.setFrame( aFrame );
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if Assigned(checkBox) then begin
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aFrame.size.width:= 15;
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aFrame.size.height:= 15;
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aFrame.origin.x:= 6;
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aFrame.origin.y:= (cv.itemSize.Height - aFrame.size.height ) / 2 + 5;
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checkBox.setFrame( aFrame );
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end;
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end;
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procedure TCocoaListView_CollectionView_LargeIconHandler.onAdjustTextEditorRect(
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@ -355,7 +402,7 @@ end;
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{ TCocoaListView_CollectionView_SmallIconHandler }
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procedure TCocoaListView_CollectionView_SmallIconHandler.onInit;
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procedure TCocoaListView_CollectionView_SmallIconHandler.resetSize;
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var
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layout: NSCollectionViewFlowLayout;
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minSize: NSSize;
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@ -363,6 +410,9 @@ begin
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layout:= NSCollectionViewFlowLayout(_collectionView.collectionViewLayout);
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minSize.width:= 150;
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minSize.height:= 28;
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if self.hasCheckBoxes then
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minSize.width:= minSize.width + 24;
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TCocoaCollectionView(_collectionView).itemSize:= minSize;
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layout.setItemSize( minSize );
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layout.setMinimumInteritemSpacing( 10 );
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@ -370,19 +420,21 @@ begin
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end;
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procedure TCocoaListView_CollectionView_SmallIconHandler.onUpdateItemValue(
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indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem);
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indexPath: NSIndexPath; cocoaItem: TCocoaCollectionItem);
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var
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row: NSInteger;
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cv: TCocoaCollectionView;
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cocoaImage: NSImage;
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lclImageIndex: Integer;
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lclText: String;
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begin
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row:= indexPath.item;
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cv:= TCocoaCollectionView(_collectionView);
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cv.callback.GetItemImageAt( indexPath.item, 0, lclImageIndex );
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cv.callback.GetItemImageAt( row, 0, lclImageIndex );
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cocoaImage:= cv.callback.GetImageFromIndex( lclImageIndex );
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cocoaItem.imageView.setImage( cocoaImage );
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cv.callback.GetItemTextAt( indexPath.item, 0, lclText );
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cv.callback.GetItemTextAt( row, 0, lclText );
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cocoaItem.textField.setStringValue( StrToNSString(lclText) );
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end;
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@ -402,25 +454,41 @@ begin
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cv.itemSize.Height:= 4 + baseSize.Height + 4;
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if cv.itemSize.Height < 28 then
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cv.itemSize.Height:= 28;
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if self.hasCheckBoxes then
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cv.itemSize.width:= cv.itemSize.width + 24;
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end;
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procedure TCocoaListView_CollectionView_SmallIconHandler.onUpdateItemLayout(
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item: NSCollectionViewItem);
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cocoaItem: TCocoaCollectionItem);
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var
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cv: TCocoaCollectionView;
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aFrame: NSRect;
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checkBox: NSButton;
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begin
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checkBox:= cocoaItem.checkBox;
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cv:= TCocoaCollectionView(_collectionView);
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aFrame.origin.x:= 6;
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aFrame.origin.y:= (cv.itemSize.Height - cv.iconSize.Height) / 2;
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aFrame.size:= cv.iconSize;
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item.imageView.setFrame( aFrame );
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if Assigned(checkBox) then
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aFrame.origin.x:= aFrame.origin.x + 24;
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cocoaItem.imageView.setFrame( aFrame );
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aFrame.origin.x:= aFrame.origin.x + aFrame.size.width + 2;
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aFrame.origin.y:= (cv.itemSize.Height - 15) / 2;
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aFrame.size.width:= 120;
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aFrame.size.height:= 15;
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item.textField.setFrame( aFrame );
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cocoaItem.textField.setFrame( aFrame );
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if Assigned(checkBox) then begin
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aFrame.size.width:= 15;
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aFrame.size.height:= 15;
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aFrame.origin.x:= 6;
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aFrame.origin.y:= (cv.itemSize.Height - aFrame.size.height ) / 2;
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checkBox.setFrame( aFrame );
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end;
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end;
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procedure TCocoaListView_CollectionView_SmallIconHandler.onAdjustTextEditorRect(
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@ -431,7 +499,7 @@ end;
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{ TCocoaListView_CollectionView_ListHandler }
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procedure TCocoaListView_CollectionView_ListHandler.onInit;
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procedure TCocoaListView_CollectionView_ListHandler.resetSize;
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var
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cv: TCocoaCollectionView;
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layout: NSCollectionViewFlowLayout;
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@ -440,6 +508,9 @@ begin
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layout:= NSCollectionViewFlowLayout(_collectionView.collectionViewLayout);
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minSize.width:= 146;
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minSize.height:= 24;
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if self.hasCheckBoxes then
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minSize.width:= minSize.width + 24;
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TCocoaCollectionView(_collectionView).itemSize:= minSize;
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layout.setItemSize( minSize );
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layout.setMinimumInteritemSpacing( 0 );
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@ -449,7 +520,7 @@ begin
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end;
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procedure TCocoaListView_CollectionView_ListHandler.onUpdateItemValue(
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indexPath: NSIndexPath; cocoaItem: NSCollectionViewItem);
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indexPath: NSIndexPath; cocoaItem: TCocoaCollectionItem);
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var
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cv: TCocoaCollectionView;
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cocoaImage: NSImage;
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@ -467,17 +538,29 @@ begin
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end;
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procedure TCocoaListView_CollectionView_ListHandler.onUpdateItemLayout(
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item: NSCollectionViewItem);
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cocoaItem: TCocoaCollectionItem);
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var
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checkBox: NSButton;
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cv: TCocoaCollectionView;
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aFrame: NSRect;
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begin
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checkBox:= cocoaItem.checkBox;
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cv:= TCocoaCollectionView(_collectionView);
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aFrame.origin.x:= 4;
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aFrame.origin.y:= (cv.itemSize.Height - 15) / 2;
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aFrame.size.width:= 138;
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aFrame.size.height:= 15;
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item.textField.setFrame( aFrame );
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if Assigned(checkBox) then
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aFrame.origin.x:= aFrame.origin.x + 24;
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cocoaItem.textField.setFrame( aFrame );
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if Assigned(checkBox) then begin
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aFrame.size.width:= 15;
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aFrame.size.height:= 15;
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aFrame.origin.x:= 6;
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aFrame.origin.y:= (cv.itemSize.Height - aFrame.size.height ) / 2;
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checkBox.setFrame( aFrame );
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end;
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end;
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procedure TCocoaListView_CollectionView_ListHandler.onAdjustTextEditorRect(
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@ -490,6 +573,28 @@ end;
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{ TCocoaCollectionItem }
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procedure TCocoaCollectionItem.createCheckBox;
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begin
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if NOT Assigned(_checkBox) then begin
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_checkBox:= NSButton.alloc.init;
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_checkBox.setButtonType( NSSwitchButton );
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_checkBox.setTitle( CocoaConst.NSSTR_EMPTY );
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_checkBox.setTarget( self );
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_checkBox.setAction( ObjCSelector('checkboxAction:') );
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self.View.addSubview( _checkBox );
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end;
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end;
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procedure TCocoaCollectionItem.checkboxAction(sender: NSButton);
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var
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cv: TCocoaCollectionView;
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indexPath: NSIndexPath;
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begin
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cv:= TCocoaCollectionView( self.collectionView );
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indexPath:= cv.indexPathForItem( self );
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cv.callback.SetItemCheckedAt( indexPath.item, 0, sender.state );
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end;
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procedure TCocoaCollectionItem.loadView;
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var
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itemView: TCocoaCollectionItemView;
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@ -515,6 +620,11 @@ begin
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self.setView( itemView );
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end;
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function TCocoaCollectionItem.checkBox: NSButton;
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begin
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Result:= _checkBox;
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end;
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procedure TCocoaCollectionItem.prepareForReuse;
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begin
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self.view.removeFromSuperview;
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@ -523,10 +633,17 @@ end;
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procedure TCocoaCollectionItem.dealloc;
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begin
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self.imageView.removeFromSuperview;
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self.textField.removeFromSuperview;
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self.view.removeFromSuperview;
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self.imageView.release;
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self.textField.removeFromSuperview;
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self.textField.release;
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if Assigned(_checkBox) then begin
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_checkBox.removeFromSuperview;
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_checkBox.release;
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end;
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self.view.removeFromSuperview;
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self.view.release;
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inherited dealloc;
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end;
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@ -544,6 +661,21 @@ end;
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{ TCocoaCollectionView }
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procedure TCocoaCollectionView.lclSetCheckBoxes(checkBoxes: Boolean);
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begin
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if _checkBoxes = checkBoxes then
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Exit;
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_checkBoxes:= checkBoxes;
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self.styleHandler.resetSize;
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self.reloadData;
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end;
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function TCocoaCollectionView.lclHasCheckBoxes: Boolean;
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begin
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Result:= _checkBoxes;
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end;
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function TCocoaCollectionView.lclGetCallback: ICommonCallback;
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begin
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Result:= callback;
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@ -600,14 +732,26 @@ end;
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procedure TCocoaCollectionView.updateItemValue(
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indexPath:NSIndexPath; cocoaItem: TCocoaCollectionItem );
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var
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row: Integer;
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checkBox: NSButton;
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checkedValue: Integer;
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isSelected: Boolean;
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begin
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if NOT Assigned(self.callback) then
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Exit;
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if _checkBoxes then
|
||||
cocoaItem.createCheckBox;
|
||||
|
||||
self.styleHandler.onUpdateItemValue( indexPath, cocoaItem );
|
||||
|
||||
isSelected:= self.callback.getItemStableSelection(indexPath.item);
|
||||
row:= indexPath.item;
|
||||
checkBox:= cocoaItem.checkBox;
|
||||
if Assigned(checkBox) then begin
|
||||
self.callback.GetItemCheckedAt( row, 0, checkedValue );
|
||||
checkBox.setState( checkedValue );
|
||||
end;
|
||||
isSelected:= self.callback.getItemStableSelection( row );
|
||||
cocoaItem.setSelected( isSelected );
|
||||
end;
|
||||
|
||||
@ -974,7 +1118,20 @@ end;
|
||||
|
||||
procedure TCocoaWSListView_CollectionViewHandler.ItemSetChecked(
|
||||
const AIndex: Integer; const AItem: TListItem; const AChecked: Boolean);
|
||||
var
|
||||
lclcb: TLCLListViewCallback;
|
||||
begin
|
||||
lclcb:= getCallback;
|
||||
if NOT Assigned(lclcb) then
|
||||
Exit;
|
||||
|
||||
if AChecked and not lclcb.checkedIdx.containsIndex(AIndex) then begin
|
||||
lclcb.checkedIdx.addIndex(AIndex);
|
||||
_collectionView.reloadData;
|
||||
end else if not AChecked and lclcb.checkedIdx.containsIndex(AIndex) then begin
|
||||
lclcb.checkedIdx.removeIndex(AIndex);
|
||||
_collectionView.reloadData;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCocoaWSListView_CollectionViewHandler.ItemSetImage(
|
||||
@ -1126,6 +1283,8 @@ procedure TCocoaWSListView_CollectionViewHandler.SetProperty(
|
||||
const AProp: TListViewProperty; const AIsSet: Boolean);
|
||||
begin
|
||||
case AProp of
|
||||
{lvpAutoArrange,}
|
||||
lvpCheckboxes: _collectionView.lclSetCheckBoxes(AIsSet);
|
||||
{lvpHideSelection,
|
||||
lvpHotTrack,}
|
||||
lvpMultiSelect: _collectionView.setAllowsMultipleSelection(AIsSet);
|
||||
@ -1146,17 +1305,7 @@ end;
|
||||
procedure TCocoaWSListView_CollectionViewHandler.SetSort(
|
||||
const AType: TSortType; const AColumn: Integer;
|
||||
const ASortDirection: TSortDirection);
|
||||
var
|
||||
lclcb : TLCLListViewCallback;
|
||||
begin
|
||||
lclcb:= getCallback;
|
||||
if NOT Assigned(lclcb) then
|
||||
Exit;
|
||||
|
||||
if TCocoaListView(lclcb.Owner).initializing then
|
||||
Exit;
|
||||
|
||||
lclcb.selectionIndexSet.removeAllIndexes;
|
||||
_collectionView.reloadData();
|
||||
end;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user