1 /* 2 * Copyright 2012 AndroidPlot.com 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.androidplot.ui; 18 19 import com.androidplot.ui.PositionMetric; 20 import com.androidplot.ui.YLayoutStyle; 21 22 public class YPositionMetric extends PositionMetric<YLayoutStyle> { 23 /* 24 public enum YLayoutStyle { 25 ABSOLUTE_FROM_TOP, 26 ABSOLUTE_FROM_BOTTOM, 27 ABSOLUTE_FROM_CENTER, 28 RELATIVE_TO_TOP, 29 RELATIVE_TO_BOTTOM, 30 RELATIVE_TO_CENTER 31 } 32 */ 33 34 //private YLayoutStyle layoutType; 35 36 public YPositionMetric(float value, YLayoutStyle layoutStyle) { 37 super(value, layoutStyle); 38 //this.layoutStyle = layoutStyle; 39 40 41 } 42 43 /* 44 @Override 45 public void set(float value, YLayoutStyle layoutType) { 46 validatePair(value, layoutType); 47 super.set(value, layoutType); 48 } 49 50 @Override 51 public void setLayoutType(YLayoutStyle layoutType) { 52 validatePair(getValue(), layoutType); 53 super.setLayoutType(layoutType); 54 } 55 56 @Override 57 public void setValue(float value) { 58 validatePair(value, getLayoutType()); 59 super.setValue(value); 60 } 61 */ 62 63 /** 64 * Throws IllegalArgumentException if there is a problem. 65 * @param value 66 */ 67 protected void validatePair(float value, YLayoutStyle layoutStyle) { 68 switch(layoutStyle) { 69 case ABSOLUTE_FROM_TOP: 70 case ABSOLUTE_FROM_BOTTOM: 71 case ABSOLUTE_FROM_CENTER: 72 validateValue(value, PositionMetric.LayoutMode.ABSOLUTE); 73 break; 74 case RELATIVE_TO_TOP: 75 case RELATIVE_TO_BOTTOM: 76 case RELATIVE_TO_CENTER: 77 validateValue(value, PositionMetric.LayoutMode.RELATIVE); 78 } 79 } 80 81 @Override 82 public float getPixelValue(float size) { 83 switch(getLayoutType()) { 84 case ABSOLUTE_FROM_TOP: 85 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_BEGINING); 86 case ABSOLUTE_FROM_BOTTOM: 87 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_END); 88 case ABSOLUTE_FROM_CENTER: 89 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_CENTER); 90 case RELATIVE_TO_TOP: 91 return this.getRelativePosition(size, PositionMetric.Origin.FROM_BEGINING); 92 case RELATIVE_TO_BOTTOM: 93 return this.getRelativePosition(size, PositionMetric.Origin.FROM_END); 94 case RELATIVE_TO_CENTER: 95 return this.getRelativePosition(size, PositionMetric.Origin.FROM_CENTER); 96 default: 97 throw new IllegalArgumentException("Unsupported LayoutType: " + this.getLayoutType()); 98 } 99 } 100 } 101
