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[ios] Better bookmark hint text centering

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Alex Zolotarev 2013-09-19 18:46:43 +03:00 • committed by Alex Zolotarev
parent 2560c4ebd9
commit 1aa308df77
2 changed files with 34 additions and 21 deletions
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5
iphone/Maps/Bookmarks/BookmarksRootVC.h
View file

@ -1,6 +1,11 @@
#import <UIKit/UIKit.h>
@interface BookmarksRootVC : UITableViewController <UITextFieldDelegate>
{
/// Description for the user: how to create/import bookmarks.
/// We store it here to correctly calculate dynamic table footer height depending on the text formatting.
UIView * m_hint;
}
- (id) init;

50
iphone/Maps/Bookmarks/BookmarksRootVC.mm
View file

@ -40,37 +40,44 @@
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return YES;
return YES;
}
// Used to display add bookmarks hint
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section
{
return tableView.bounds.size.height / 3.;
CGFloat const offset = 10;
CGRect const rect = tableView.bounds;
// Use UILabel inside custom view to add padding on the left and right (there is no other way to do it)
if (!m_hint)
{
m_hint = [[UIView alloc] initWithFrame:rect];
m_hint.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
m_hint.backgroundColor = [UIColor clearColor];
UILabel * label = [[[UILabel alloc] initWithFrame:rect] autorelease];
label.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
label.backgroundColor = [UIColor clearColor];
label.text = NSLocalizedString(@"bookmarks_usage_hint", @"Text hint in Bookmarks dialog, displayed if it's empty");
label.textAlignment = UITextAlignmentCenter;
label.lineBreakMode = UILineBreakModeWordWrap;
label.numberOfLines = 0;
[m_hint addSubview:label];
}
UILabel * label = [m_hint.subviews objectAtIndex:0];
label.bounds = CGRectInset(rect, offset, offset);
[label sizeToFit];
m_hint.bounds = CGRectMake(0, 0, rect.size.width, label.bounds.size.height + 2 * offset);
label.center = CGPointMake(m_hint.bounds.size.width / 2, m_hint.bounds.size.height / 2);
return m_hint.bounds.size.height;
}
// Used to display hint when no any categories with bookmarks are present
- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
CGRect rect = tableView.bounds;
rect.size.height /= 3.;
// Use Label in custom view to add padding on the left and right (there is no other way to do it)
UIView * customView = [[[UIView alloc] initWithFrame:rect] autorelease];
customView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
customView.backgroundColor = [UIColor clearColor];
UILabel * hint = [[[UILabel alloc] initWithFrame:CGRectInset(rect, 40, 0)] autorelease];
// Orientation support
hint.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
hint.backgroundColor = [UIColor clearColor];
hint.text = NSLocalizedString(@"bookmarks_usage_hint", @"Text hint in Bookmarks dialog, displayed if it's empty");
hint.textAlignment = UITextAlignmentCenter;
hint.lineBreakMode = UILineBreakModeWordWrap;
hint.numberOfLines = 0;
[customView addSubview:hint];
return customView;
return m_hint;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
@ -304,6 +311,7 @@
-(void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[m_hint release];
[super dealloc];
}