1 | package com.framsticks.gui.controls; |
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2 | |
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3 | import org.apache.log4j.Logger; |
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4 | |
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5 | import com.framsticks.params.CastFailure; |
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6 | import com.framsticks.params.Flags; |
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7 | import com.framsticks.params.PrimitiveParam; |
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8 | import com.framsticks.params.ReassignResult; |
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9 | import com.framsticks.util.swing.TooltipConstructor; |
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10 | |
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11 | /** |
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12 | * @author Piotr Sniegowski |
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13 | */ |
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14 | @SuppressWarnings("serial") |
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15 | public abstract class ValueControl extends Control { |
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16 | private static final Logger log = |
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17 | Logger.getLogger(ValueControl.class); |
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18 | |
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19 | /** |
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20 | * |
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21 | */ |
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22 | protected ValueControlListener listener; |
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23 | |
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24 | public ValueControl(PrimitiveParam<?> primitiveParam) { |
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25 | super(primitiveParam); |
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26 | |
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27 | this.setToolTipText(new TooltipConstructor() |
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28 | .append("name", primitiveParam.getName()) |
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29 | .append("id", primitiveParam.getId()) |
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30 | .append("help", primitiveParam.getHelp()) |
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31 | .append("def", primitiveParam.getDef(Object.class)) |
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32 | .append("min", primitiveParam.getMin(Object.class)) |
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33 | .append("max", primitiveParam.getMax(Object.class)) |
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34 | .append("flags", Flags.write(primitiveParam.getFlags(), null)) |
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35 | .append("group", primitiveParam.getGroup()) |
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36 | .append("extra", primitiveParam.getExtra()) |
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37 | .build()) |
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38 | ; |
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39 | } |
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40 | |
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41 | @Override |
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42 | public PrimitiveParam<?> getParam() { |
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43 | return (PrimitiveParam<?>) param; |
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44 | } |
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45 | |
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46 | protected abstract void pushValueToUserInterfaceImpl(Object value); |
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47 | |
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48 | /** I consider this an ugly solution, but I was unable to find proper |
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49 | * action listeners for underlying swing controls, that would only fire |
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50 | * on user change and on programmatic change. |
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51 | */ |
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52 | protected boolean programmaticChange = false; |
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53 | |
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54 | public void pushValueToUserInterface(Object value) { |
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55 | programmaticChange = true; |
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56 | pushValueToUserInterfaceImpl(value); |
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57 | programmaticChange = false; |
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58 | } |
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59 | |
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60 | public abstract Object pullValueFromUserInterface(); |
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61 | |
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62 | public void setListener(ValueControlListener listener) { |
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63 | this.listener = listener; |
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64 | } |
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65 | |
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66 | protected Object filterValueThroughConstraints(Object candidate) { |
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67 | Object oldValue = pullValueFromUserInterface(); |
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68 | try { |
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69 | ReassignResult<?> res = getParam().reassign(candidate, oldValue); |
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70 | if (res.getFlags() != 0) { |
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71 | log.warn("filter of param " + param + " failed: " + Flags.write(res.getFlags(), "0")); |
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72 | } |
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73 | return res.getValue(); |
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74 | } catch (CastFailure e) { |
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75 | log.error("cast failure when setting param " + param + " to value " + candidate + ": " + e); |
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76 | } |
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77 | return oldValue; |
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78 | } |
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79 | |
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80 | protected boolean notifyOfChange() { |
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81 | if (!programmaticChange) { |
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82 | if (listener == null) { |
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83 | return true; |
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84 | } |
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85 | return listener.onChange(filterValueThroughConstraints(pullValueFromUserInterface())); |
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86 | } |
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87 | return true; |
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88 | } |
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89 | |
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90 | public final boolean isReadOnly() { |
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91 | return (param.getFlags() & Flags.READONLY) != 0; |
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92 | } |
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93 | |
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94 | |
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95 | |
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96 | } |
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