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package ca.spaz.cron.ui; |
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import java.util.List; |
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import javax.swing.table.AbstractTableModel; |
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import ca.spaz.cron.database.*; |
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public class NutrientTableModel extends AbstractTableModel { |
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private static final int NAME_COLUMN = 0; |
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private static final int AMOUNT_COLUMN = 1; |
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private static final int UNIT_COLUMN = 2; |
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private static final int RDI_COLUMN = 3; |
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private String[] columnNames = { "Nutrient", "Amount", "Units", "%DV" }; |
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List nutrients; |
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private Food food; |
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private double multiplier = 1; |
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public NutrientTableModel(List nutrientInfo) { |
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this.nutrients = nutrientInfo; |
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} |
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public void setMultiplier(double val) { |
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this.multiplier = val; |
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fireTableDataChanged(); |
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} |
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public void setFood(Food f) { |
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this.food = f; |
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} |
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public Class getColumnClass(int col) { |
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Object o = getValueAt(0, col); |
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if (o != null) { |
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return o.getClass(); |
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} |
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return String.class; |
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} |
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public int getColumnCount() { |
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return columnNames.length; |
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} |
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public String getColumnName(int col) { |
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return columnNames[col].toString(); |
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} |
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public NutrientInfo getNutrientInfo(int i) { |
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return (NutrientInfo) nutrients.get(i); |
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} |
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public int getRowCount() { |
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return nutrients.size(); |
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} |
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public Object getValueAt(int row, class="keyword">int col) { |
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NutrientInfo ni = getNutrientInfo(row); |
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if (ni != null) { |
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double val = multiplier * food.getNutrientAmount(ni); |
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switch (col) { |
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case NAME_COLUMN: |
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return ni.getName(); |
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case AMOUNT_COLUMN: |
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val = Math.round(100000 * val) / 100000.0; |
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return new Double(val); |
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case UNIT_COLUMN: |
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return ni.getUnits(); |
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case RDI_COLUMN: |
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double RDI = ni.getReferenceDailyIntake(); |
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if (RDI > 0) { |
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return new Integer((int)(100*val/RDI)); |
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} |
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return null; |
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} |
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} |
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return ""; |
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} |
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public boolean isCellEditable(int row, class="keyword">int col) { |
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NutrientInfo ni = getNutrientInfo(row); |
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if (food != null && ni != class="keyword">null) { |
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if (col == AMOUNT_COLUMN) { |
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return true; |
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} |
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if (col == RDI_COLUMN) { |
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if (ni.getReferenceDailyIntake() > 0) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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public void setValueAt(Object value, int row, class="keyword">int col) { |
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if (col == AMOUNT_COLUMN && value != null) { |
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NutrientInfo ni = getNutrientInfo(row); |
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if (ni != null) { |
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double val = ((Double) value).class="keyword">doubleValue(); |
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food.setNutrientAmount(ni, val / multiplier); |
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fireTableRowsUpdated(row, row); |
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} |
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} |
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if (col == RDI_COLUMN && value != null) { |
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NutrientInfo ni = getNutrientInfo(row); |
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if (ni != null) { |
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double val = ((Integer) value).intValue(); |
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double RDI = ni.getReferenceDailyIntake(); |
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val = (val/100.0) * RDI; |
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food.setNutrientAmount(ni, val / multiplier); |
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fireTableRowsUpdated(row, row); |
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} |
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} |
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} |
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} |