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#include "variables.h"
#include "calculator.h"
#include "string_manip.h"
#include "VariableList.h"
#include "gmp.h"
#include "mpfr.h"
#ifdef MEMWATCH
#include "memwatch.h"
#endif
@implementation VariableList
// needs to be REALLY fast
- (int)numberOfRowsInTableView:(NSTableView *)aTableView
{
return numvars();
}
// needs to be fast
- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn*)col row:(int)rowIndex
{
struct variable *keyval;
static struct variable *keyval_cache = NULL;
static int rowIndex_cache = -1;
if (rowIndex == rowIndex_cache) {
rowIndex_cache = -1;
keyval = keyval_cache;
} else {
rowIndex_cache = rowIndex;
keyval = keyval_cache = getrealnvar(rowIndex);
}
if (! keyval)
return @"BAD ROW (VariableList)";
if ([[col identifier] isEqualToString:@"value"]) {
if (keyval->exp)
return [NSString stringWithUTF8String:keyval->expression];
else
return [NSString stringWithUTF8String:print_this_result(keyval->value)];
} else if ([[col identifier] isEqualToString:@"variable"]) {
return [NSString stringWithUTF8String:(keyval->key)];
} else {
return @"BAD COLUMN";
}
}
- (void)tableView:(NSTableView*)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn*)col row:(int)rowIndex
{
struct variable *theval = getrealnvar(rowIndex);
NSString *ch = [col identifier];
// printf("Column %s, Row %i was %s,%s becomes %s\n", [ch UTF8String], rowIndex, theval->key, theval->value, [anObject UTF8String]);
if ([ch isEqualToString:@"value"]) {
char * input=strdup([anObject UTF8String]);
if (justnumbers(input)) {
mpfr_t la;
mpfr_init_set(la, last_answer, GMP_RNDN);
parseme(input);
mpfr_set(theval->value, last_answer, GMP_RNDN);
theval->exp = 0;
mpfr_set(last_answer, la, GMP_RNDN);
mpfr_clear(la);
} else {
theval->expression = input;
theval->exp = 1;
}
} else if ([ch isEqualToString:@"variable"]) {
free(theval->key);
theval->key = strdup([anObject UTF8String]);
strstrip(' ',theval->key);
}
}
- (IBAction)newVariable:(id)sender
{
char varname[20];
int i=1;
mpfr_t blank;
mpfr_init_set_ui(blank,0,GMP_RNDN);
sprintf(varname,"NewVariable%i",i);
while(varexists(varname)) {
++i;
sprintf(varname,"NewVariable%i",i);
}
putval(varname,blank,NULL);
[theList reloadData];
}
- (IBAction)delVariable:(id)sender
{
if ([theList selectedRow] > -1) {
delnvar([theList selectedRow]);
[theList reloadData];
}
}
- (IBAction)clearVariables:(id)sender
{
int i, total=numvars();
for (i=0; i<total; ++i) {
delnvar(0);
}
[theList reloadData];
}
- (IBAction)copyMe:(id)sender
{
NSPasteboard* pboard=[NSPasteboard generalPasteboard];
NSString *theString = @"";
NSIndexSet* rowEnumerator=[theList selectedRowIndexes];
unsigned int index=0;
// Set the pasteboard types you want here.
[pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:self];
index = [rowEnumerator firstIndex];
do {
struct variable *keyval = getrealnvar(index);
if (keyval == NULL) {
theString = [theString stringByAppendingString:@"BAD ROW\n"];
} else {
theString = [theString stringByAppendingFormat:@"%s\t%s\n", keyval->key, keyval->exp?keyval->expression:print_this_result(keyval->value)];
}
} while ((index = [rowEnumerator indexGreaterThanIndex:index]) != NSNotFound);
[pboard setString:theString forType:NSStringPboardType];
}
// ** Make sure we don't enable the copy menu item unless there is something to copy.
- (BOOL)validateMenuItem:(id <NSMenuItem>)menuItem
{
if ([menuItem tag]==666)
{
return ([theList numberOfSelectedRows]>0);
}
return YES;
}
@end
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