Merge MatrixKit develop with commit hash: b85b736313bec0592bd1cabc68035d97f5331137

2026-04-20 16:42:44 +02:00 · 2021-12-03 11:47:24 +01:00
parent af65f71177
commit f57941177e
475 changed files with 87437 additions and 0 deletions
@@ -0,0 +1,139 @@
+/*
+ Copyright 2015 OpenMarket Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#import "MXKPieChartView.h"
+
+@interface MXKPieChartView ()
+{
+    // graphical items
+    CAShapeLayer* backgroundContainerLayer;
+    CAShapeLayer* powerContainerLayer;
+}
+@end
+
+@implementation MXKPieChartView
+
+- (void)setProgress:(CGFloat)progress
+{
+    // Consider only positive progress value
+    if (progress <= 0)
+    {
+        _progress = 0;
+        self.hidden = YES;
+    }
+    else
+    {
+        // Ensure that the progress value does not excceed 1.0
+        _progress = MIN(progress, 1.0);
+        self.hidden = NO;
+    }
+    
+    // defines the view settings
+    CGFloat radius = self.frame.size.width / 2;
+    
+    // draw a rounded view
+    [self.layer setCornerRadius:radius];
+    self.backgroundColor = [UIColor clearColor];
+    
+    // draw the pie
+    CALayer* layer = [self layer];
+    
+    // remove any previous drawn layer
+    if (powerContainerLayer)
+    {
+        [powerContainerLayer removeFromSuperlayer];
+        powerContainerLayer = nil;
+    }
+    
+    // define default colors
+    if (!_progressColor)
+    {
+        _progressColor = [UIColor redColor];
+    }
+    
+    if (!_unprogressColor)
+    {
+        _unprogressColor = [UIColor lightGrayColor];
+    }
+    
+    // the background cell color is hidden the cell is selected.
+    // so put in grey the cell background triggers a weird display (the background grey is hidden but not the red part).
+    // add an other layer fixes the UX.
+    if (!backgroundContainerLayer)
+    {
+        backgroundContainerLayer = [CAShapeLayer layer];
+        [backgroundContainerLayer setZPosition:0];
+        [backgroundContainerLayer setStrokeColor:NULL];
+        backgroundContainerLayer.fillColor = _unprogressColor.CGColor;
+        
+        // build the path
+        CGMutablePathRef path = CGPathCreateMutable();
+        CGPathMoveToPoint(path, NULL, radius, radius);
+        
+        CGPathAddArc(path, NULL, radius, radius, radius, 0 , 2 * M_PI, 0);
+        CGPathCloseSubpath(path);
+        
+        [backgroundContainerLayer setPath:path];
+        CFRelease(path);
+        
+        // add the sub layer
+        [layer addSublayer:backgroundContainerLayer];
+    }
+    
+    if (_progress)
+    {
+        // create the filled layer
+        powerContainerLayer = [CAShapeLayer layer];
+        [powerContainerLayer setZPosition:0];
+        [powerContainerLayer setStrokeColor:NULL];
+        
+        // power level is drawn in red
+        powerContainerLayer.fillColor = _progressColor.CGColor;
+        
+        // build the path
+        CGMutablePathRef path = CGPathCreateMutable();
+        CGPathMoveToPoint(path, NULL, radius, radius);
+        
+        CGPathAddArc(path, NULL, radius, radius, radius, -M_PI / 2, (_progress * 2 * M_PI) - (M_PI / 2), 0);
+        CGPathCloseSubpath(path);
+        
+        [powerContainerLayer setPath:path];
+        CFRelease(path);
+        
+        // add the sub layer
+        [layer addSublayer:powerContainerLayer];
+    }
+}
+
+- (void)setProgressColor:(UIColor *)progressColor
+{
+    _progressColor = progressColor;
+    self.progress = _progress;
+}
+
+- (void)setUnprogressColor:(UIColor *)unprogressColor
+{
+    _unprogressColor = unprogressColor;
+    
+    if (backgroundContainerLayer)
+    {
+        [backgroundContainerLayer removeFromSuperlayer];
+        backgroundContainerLayer = nil;
+    }
+    self.progress = _progress;
+}
+
+@end