This is IFolderScrollMatrix.m in view mode; [Download] [Up]
/*$Copyright:
* Copyright (C) 1992.5.22. Recruit Co.,Ltd.
* Institute for Supercomputing Research
* All rights reserved.
* NewsBase by ISR, Kazuto MIYAI, Gary ARAKAKI, Katsunori SUZUKI, Kok-meng Lue
*
* You may freely copy, distribute and reuse the code in this program under
* following conditions.
* - to include this notice in the source code, if it is to be distributed
* with source code.
* - to add the file named "COPYING" within the code, which shall include
* GNU GENERAL PUBLIC LICENSE(*).
* - to display an acknowledgement in binary code as follows: "This product
* includes software developed by Recruit Co.,Ltd., ISR."
* - to display a notice which shall state that the users may freely copy,
* distribute and reuse the code in this program under GNU GENERAL PUBLIC
* LICENSE(*)
* - to indicate the way to access the copy of GNU GENERAL PUBLIC LICENSE(*)
*
* (*)GNU GENERAL PUBLIC LICENSE is stored in the file named COPYING
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
$*/
/* Generated by Interface Builder */
#import "IFolderScrollMatrix.h"
#import "IFolderCell.h"
#import "IFolderScrollView.h"
#import "TransparentWindow.h"
#import "IDataGroupBrowser.h"
#import "INXBrowserCellWithLinkedObject.h"
#import "IUifNode.h"
#import "InfoD.h"
#import "ITreeNodeD.h"
#import "errdebug.h"
#import "data_types.h"
#import <appkit/NXImage.h>
#import <appkit/ClipView.h>
#import <appkit/ButtonCell.h>
#import <appkit/Font.h>
#import <string.h>
// this IfolderScrollMatrix class is asumed that it is set to a docment
// view of ScrollView(or its subclass)
@implementation IFolderScrollMatrix
- initFrame:(NXRect *)frameRect
{
NXSize folderCellSize;
id folderProto, titleFont;
[super initFrame:frameRect];
folderCellSize.width = frameRect->size.width;
folderCellSize.height = frameRect->size.height;
[self setCellSize:&folderCellSize];
[self setBackgroundGray:NX_LTGRAY];
[self setCellBackgroundGray:NX_LTGRAY];
[self setEnabled:YES];
[self notifyAncestorWhenFrameChanged:YES];
[self setMode:NX_TRACKMODE]; // mode is need
folderProto = [[IFolderCell allocFromZone:[self zone]]
initIconCell:CLOSEDFOLDER];
[folderProto setBordered:NO];
[folderProto setIconPosition:NX_ICONABOVE];
[folderProto setTarget:self];
[folderProto setAction:@selector(selectNewsgroupInBrowser:)];
titleFont = [Font newFont:TITLEFONT size:TITLEFONTSIZE];
[folderProto setFont:titleFont];
[self setPrototype:folderProto];
isPalette = YES;
return self;
}
- newsgroupClicked:sender
{
id node;
id iconImage;
id folderCell;
const char *groupname;
char newsgroupName[512];
NXRect contRect, docRect;
id contView;
id groupInfoD;
id bcellList, bcell;
int i, hiliCellCount;
id lastColumnMatrix;
DBG(1,fprintf(stderr,"-- newsgroup is clicked"));
// get selected column
lastColumnMatrix = [sender matrixInColumn:[sender selectedColumn]];
if ([[lastColumnMatrix selectedCell] isLeaf]==NO) {
[superview display];
return (self);
}
// count hilighted cell in browser and setup newsgorupname for cell's title
bcellList = [lastColumnMatrix cellList];
hiliCellCount=0;
newsgroupName[0] = '\0';
for (i=0; bcell=[bcellList objectAt:i]; ++i) {
if ([bcell isHighlighted]) {
// node is a obj. of IUifNode, which is linked to
// NXBrowserCellWithLinkedObject(subclass of NXBrowserCell)
node = [bcell node];
// get newsgroup name
groupInfoD = [[node linkedData] dataForKey:GROUPINFO];
groupname = [groupInfoD infoForKey:GROUPNAME];
if (hiliCellCount != 0) {
// multiple cell is selected
// groupname will be separated by ','
strncat (newsgroupName, ",", (512-strlen(newsgroupName)-1));
}
// copy news group name
strncat (newsgroupName, groupname, (512-strlen(newsgroupName)-1));
++hiliCellCount;
}
}
[window disableFlushWindow];
// set up folderCell
[self _removeFolders];
[self addCol];
[self sizeToCells];
[superview sizeTo:frame.size.width :frame.size.height];
folderCell = [self cellAt:0 :1]; // root folder[0,0], news folder[0,1]
// set up cell's image
if (hiliCellCount > 1) {
// cell in browser is multiple selected
iconImage = [NXImage findImageNamed:CLOSEDMULTIFOLDER];
} else {
iconImage = [NXImage findImageNamed:CLOSEDFOLDER];
}
[folderCell setImage:iconImage];
[folderCell setTitle:newsgroupName];
[folderCell setLeaf:YES];
// [superview superview]-> content view of scroll view
contView = [oScrollDocView superview];
[contView getFrame:&contRect];
[oScrollDocView getFrame:&docRect];
docRect.size.width = frame.size.width;
// resize docView as same size as IFolderScrollMatrix
// ??this statement has side efect that docView will translate up a little
// (by 2 pixels) when you try to scroll in ScrollView??
[oScrollDocView setFrame:&docRect];
if (contRect.size.width < docRect.size.width) {
// document view width is larger than clip view, so move scroller
contRect.origin.x = docRect.size.width - contRect.size.width;
// ??move visible frame 2 pixels because of the side effect above??
// contRect.origin.y -= 2.0;
contRect.origin.y = 0.0;
[contView rawScroll:&(contRect.origin)];
[oScrollView reflectScroll:contView];
}
[self display];
[window reenableFlushWindow];
return self;
}
- registerCells
{
int i;
NXRect iconRect, visibleRect;
NXPoint iconCenter;
// register allCells, it will get frame of cell rect and register it.
[super registerCells];
// unregister unvisible cells
for (i = 0; i < numCols; ++i) {
// check if the center of icon is visible
[self getCellFrame:&iconRect at:0 :i];
[[self cellAt:0 :i] getIconRect:&iconRect];
iconCenter.x = iconRect.origin.x + iconRect.size.width/2;
iconCenter.y = iconRect.origin.y + iconRect.size.height/2;
[[[superview superview] superview] getDocVisibleRect:&visibleRect];
DBG(10, fprintf(stderr,"-- iconCenter.x=%f\t y=%f\n",
iconCenter.x, iconCenter.y));
DBG(10, fprintf(stderr,"-- visibleRect.origin.x=%f\t y=%f\n size.width=%f\t height=%f\n", visibleRect.origin.x,visibleRect.origin.y, visibleRect.size.width, visibleRect.size.height));
if (NXPointInRect(&iconCenter, &visibleRect) == NO) {
[super unregisterCellAt:0 :i window:window];
}
}
return self;
}
- setRootName:(char *)rootName
{
id rootCell;
rootCell = [super setRootName:rootName];
[rootCell setLeaf:NO];
return self;
}
- (void)_removeFolders
{
// remove folder icons, leave only root icon(nextStation)
int rowNum, colNum, i;
// selected cell in newsgroup browser is directory
[self getNumRows:&rowNum numCols:&colNum];
// there are root folder and other folders, remove only folders
for (i=colNum; i > 1; --i) {
[self unregisterCellAt:0 :(i-1) window:window];
[self removeColAt:(i-1) andFree:YES];
[self sizeToCells];
[superview sizeTo:frame.size.width :frame.size.height];
}
}
- selectNewsgroupInBrowser:sender
{
[super selectNewsgroupInBrowser:sender];
if ([self selectedCol] == 0) {
[self _removeFolders];
[self display];
}
return (self);
}
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.