codello/mathpad
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Redesigned Error Display

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This commit is contained in:
Kim Wittenburg
2014-11-24 22:43:29 +01:00
parent 7a32e3b0b6
commit 6067600e81
4 changed files with 120 additions and 35 deletions
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115
MathPad/MPExpressionView.m
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@@ -10,6 +10,7 @@
#import "MPExpression.h"
#import "MPExpressionElement.h"
#import "MPParsedExpression.h"
#import "MPPowerFunction.h"
#import "MPParenthesisFunction.h"
@@ -20,6 +21,7 @@
#import "MPExpressionStorage.h"
#import "MPExpressionLayout.h"
#import "MPFunctionLayout.h"
#import "MPFunctionsViewController.h"
@@ -33,6 +35,9 @@
@property (nonatomic, strong) NSPopover *functionsPopover;
@property (nonatomic, strong) MPFunctionsViewController *functionsViewController;
@property (nonatomic, strong) NSPopUpButton *syntaxErrorsPopUpButton;
@property (nonatomic, strong) NSTextField *mathErrorTextField;
@property (nonatomic, strong) NSTimer *caretTimer;
@property (nonatomic) NSTimeInterval caretBlinkRate;
@property (nonatomic) BOOL caretVisible;
@@ -336,7 +341,7 @@
_expressionStorage = expressionStorage;
[self initializeButtons];
[self initializeErrorMessageTextField];
[self initializeErrorsViews];
self.selection = [[MPRangePath alloc] initWithRange:NSMakeRange(0, 0)];
self.caretBlinkRate = 1.0;
@@ -374,16 +379,27 @@
constant:0]];
}
- (void)initializeErrorMessageTextField
- (void)initializeErrorsViews
{
NSTextField *errorLabel = self.errorMessageTextField;
[self addSubview:errorLabel];
NSDictionary *variableBindings = NSDictionaryOfVariableBindings(errorLabel);
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-10-[errorLabel]"
NSPopUpButton *syntaxErrors = self.syntaxErrorsPopUpButton;
NSTextField *mathError = self.mathErrorTextField;
[self addSubview:syntaxErrors];
[self addSubview:mathError];
NSDictionary *variableBindings = NSDictionaryOfVariableBindings(syntaxErrors, mathError);
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-10-[syntaxErrors]"
options:0
metrics:nil
views:variableBindings]];
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[errorLabel]-10-|"
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[syntaxErrors]-10-|"
options:0
metrics:nil
views:variableBindings]];
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-10-[mathError]"
options:0
metrics:nil
views:variableBindings]];
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[mathError]-10-|"
options:0
metrics:nil
views:variableBindings]];
@@ -405,6 +421,42 @@
self.needsDisplay = YES;
}
- (void)setSyntaxErrors:(NSArray *)syntaxErrors
{
_syntaxErrors = syntaxErrors;
[self.syntaxErrorsPopUpButton removeAllItems];
if (syntaxErrors.count == 0) {
self.syntaxErrorsPopUpButton.hidden = YES;
return;
}
self.syntaxErrorsPopUpButton.hidden = NO;
[self.syntaxErrorsPopUpButton addItemWithTitle:@""];
if (syntaxErrors.count == 1) {
NSString *title = NSLocalizedString(@"1 Syntax Error", nil);
NSDictionary *attributes = @{NSForegroundColorAttributeName: [NSColor redColor],
NSFontAttributeName: [NSFont boldSystemFontOfSize:12.0]};
NSAttributedString *attributedTitle = [[NSAttributedString alloc] initWithString:title attributes:attributes];
[self.syntaxErrorsPopUpButton itemAtIndex:0].attributedTitle = attributedTitle;
} else {
NSString *title = [NSString stringWithFormat:NSLocalizedString(@"%ld Syntax Errors", nil), syntaxErrors.count];
NSDictionary *attributes = @{NSForegroundColorAttributeName: [NSColor redColor],
NSFontAttributeName: [NSFont boldSystemFontOfSize:12.0]};
NSAttributedString *attributedTitle = [[NSAttributedString alloc] initWithString:title attributes:attributes];
[self.syntaxErrorsPopUpButton itemAtIndex:0].attributedTitle = attributedTitle;
}
NSUInteger index = 0;
for (NSError *error in syntaxErrors) {
[self.syntaxErrorsPopUpButton addItemWithTitle:error.localizedDescription];
index++;
}
}
- (void)setMathError:(NSError *)mathError
{
_mathError = mathError;
self.mathErrorTextField.stringValue = mathError != nil ? mathError.localizedDescription : @"";
}
- (NSButton *)radiansDegreesButton
{
if (!_radiansDegreesButton) {
@@ -447,19 +499,46 @@
return _functionsButton;
}
- (NSTextField *)errorMessageTextField
- (NSPopUpButton *)syntaxErrorsPopUpButton
{
if (!_errorMessageTextField) {
NSTextField *label = [[NSTextField alloc] initWithFrame:NSZeroRect];
label.textColor = [NSColor redColor];
label.translatesAutoresizingMaskIntoConstraints = NO;
label.bezeled = NO;
label.drawsBackground = NO;
label.editable = NO;
label.selectable = NO;
_errorMessageTextField = label;
if (!_syntaxErrorsPopUpButton) {
NSPopUpButton *button = [[NSPopUpButton alloc] initWithFrame:NSMakeRect(0, 0, 100, 26)
pullsDown:YES];
button.translatesAutoresizingMaskIntoConstraints = NO;
[button.cell setArrowPosition:NSPopUpArrowAtBottom];
button.bezelStyle = NSRecessedBezelStyle;
button.buttonType = NSPushOnPushOffButton;
button.showsBorderOnlyWhileMouseInside = YES;
button.font = [NSFont boldSystemFontOfSize:12.0];
button.hidden = YES;
button.target = self;
button.action = @selector(didSelectError:);
_syntaxErrorsPopUpButton = button;
}
return _errorMessageTextField;
return _syntaxErrorsPopUpButton;
}
- (NSTextField *)mathErrorTextField
{
if (!_mathErrorTextField) {
NSTextField *textField = [[NSTextField alloc] init];
textField.translatesAutoresizingMaskIntoConstraints = NO;
textField.bordered = NO;
textField.selectable = NO;
textField.editable = NO;
textField.textColor = [NSColor redColor];
textField.font = [NSFont boldSystemFontOfSize:12.0];
_mathErrorTextField = textField;
}
return _mathErrorTextField;
}
- (void)didSelectError:(NSPopUpButton *)sender
{
NSError *error = self.syntaxErrors[sender.indexOfSelectedItem-1];
NSIndexPath *pathToExpression = error.userInfo[MPPathToExpressionKey];
pathToExpression = [pathToExpression indexPathByAddingIndex:[error.userInfo[MPErrorIndexKey] integerValue]];
self.selection = MPMakeRangePath(pathToExpression, 0);
}
#pragma mark Actions