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      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 
     20 import com.androidplot.ui.PositionMetric;
     21 import com.androidplot.ui.XLayoutStyle;
     22 
     23 public class XPositionMetric extends PositionMetric<XLayoutStyle> {
     24 
     25     //private XLayoutStyle layoutType;
     26 
     27     public XPositionMetric(float value, XLayoutStyle layoutStyle) {
     28         super(value, layoutStyle);
     29         validatePair(value, layoutStyle);
     30         //this.layoutStyle = layoutStyle;
     31     }
     32 
     33     /**
     34      * Throws IllegalArgumentException if there is a problem.
     35      * @param value
     36      */
     37     protected void validatePair(float value, XLayoutStyle layoutStyle) {
     38         switch(layoutStyle) {
     39             case ABSOLUTE_FROM_LEFT:
     40             case ABSOLUTE_FROM_RIGHT:
     41             case ABSOLUTE_FROM_CENTER:
     42                 validateValue(value, PositionMetric.LayoutMode.ABSOLUTE);
     43                 break;
     44             case RELATIVE_TO_LEFT:
     45             case RELATIVE_TO_RIGHT:
     46             case RELATIVE_TO_CENTER:
     47                 validateValue(value, PositionMetric.LayoutMode.RELATIVE);
     48         }
     49     }
     50 
     51     @Override
     52     public float getPixelValue(float size) {
     53         switch(getLayoutType()) {
     54             case ABSOLUTE_FROM_LEFT:
     55                 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_BEGINING);
     56             case ABSOLUTE_FROM_RIGHT:
     57                 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_END);
     58             case ABSOLUTE_FROM_CENTER:
     59                 return this.getAbsolutePosition(size, PositionMetric.Origin.FROM_CENTER);
     60             case RELATIVE_TO_LEFT:
     61                 return this.getRelativePosition(size, PositionMetric.Origin.FROM_BEGINING);
     62             case RELATIVE_TO_RIGHT:
     63                 return this.getRelativePosition(size, PositionMetric.Origin.FROM_END);
     64             case RELATIVE_TO_CENTER:
     65                 return this.getRelativePosition(size, PositionMetric.Origin.FROM_CENTER);
     66             default:
     67                 throw new IllegalArgumentException("Unsupported LayoutType: " + this.getLayoutType());
     68         }
     69     }
     70 }
     71