app/ol/AbstractOlObject.java

   1 package org.argeo.app.ol;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5 import java.util.Objects;
   6
   7 import org.argeo.app.ux.js.AbstractJsObject;
   8
   9 public abstract class AbstractOlObject extends AbstractJsObject {
  10         public final static String JS_PACKAGE = "argeo.tp.ol";
  11
  12         public AbstractOlObject(Object... args) {
  13                 super(args.length > 0 ? args : new Object[] { new HashMap<String, Object>() });
  14         }
  15
  16 //      public AbstractOlObject(Map<String, Object> options) {
  17 //              super(new Object[] { options });
  18 //      }
  19
  20         public String getJsPackage() {
  21                 return JS_PACKAGE;
  22         }
  23
  24         @SuppressWarnings("unchecked")
  25         protected Map<String, Object> getNewOptions() {
  26                 if (!isNew())
  27                         throw new IllegalStateException("Object " + getJsClassName() + " is not new");
  28                 Object[] args = getJsConstructorArgs();
  29                 if (args.length != 1 || !(args[0] instanceof Map))
  30                         throw new IllegalStateException("Object " + getJsClassName() + " has no available options");
  31                 return (Map<String, Object>) args[0];
  32         }
  33
  34         protected void doSetValue(String methodName, String newOption, Object value) {
  35                 if (isNew()) {
  36                         Objects.requireNonNull(newOption, "Value cannot be set as an option for " + getJsClassName() + ", use "
  37                                         + methodName + "() after the object has been created");
  38                         getNewOptions().put(newOption, value);
  39                 } else {
  40                         Objects.requireNonNull(methodName, "Value cannot be set via a method for " + getJsClassName() + ", use "
  41                                         + newOption + " before the object is created");
  42                         executeMethod(methodName, value);
  43                 }
  44         }
  45
  46         public void set(String key, Object value) {
  47                 set(key, value, false);
  48         }
  49
  50         public void set(String key, Object value, boolean silent) {
  51                 if (isNew()) {
  52                         getNewOptions().put(key, value);
  53                 } else {
  54                         executeMethod(getMethodName(), new Object[] { key, value, silent });
  55                 }
  56         }
  57
  58         public Object get(String key) {
  59                 if (isNew()) {
  60                         return getNewOptions().get(key);
  61                 } else {
  62                         // TDO deal with reference if we are trying to get an object
  63                         return callMethod(getMethodName(), key);
  64                 }
  65
  66         }
  67
  68         public static String getJsClassName(Class<?> clss) {
  69                 if (AbstractOlObject.class.isAssignableFrom(clss)) {
  70                         // NB: would failed for renamed classes
  71                         return JS_PACKAGE + "." + clss.getSimpleName();
  72                 }
  73                 throw new IllegalArgumentException(clss + " is not an OpenLayers object");
  74         }
  75
  76 }