package org.sgx.yuigwt.yui.util;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayMixed;
import com.google.gwt.core.client.JsArrayNumber;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
/**
* javascript related utilities
* @author sg
*
*/
public class JsUtil {
/**
* usefull for setting breakpoints in firebug from java.
*/
public static native void firebug()/*-{
$wnd.r4g._firebug();
}-*/;
public static native <T> T get(JavaScriptObject o, Object p)/*-{
return o[p];
}-*/;
public static native String getString(JavaScriptObject o, String s)/*-{
return o[s];
}-*/;
public static native int getInt(JavaScriptObject o, String s)/*-{
return o[s];
}-*/;
// public static native JavaScriptObject put(JavaScriptObject o, Object pname, Object val)/*-{
// o[pname]=val;
// return o;
// }-*/;
public static native JavaScriptObject put(JavaScriptObject o, Object pname, String val)/*-{
o[pname]=val;
return o;
}-*/;
public static native JavaScriptObject put(JavaScriptObject o, Object pname, int val)/*-{
o[pname]=val;
return o;
}-*/;
public static native JavaScriptObject put(JavaScriptObject o, Object pname, double val)/*-{
o[pname]=val;
return o;
}-*/;
public static native JavaScriptObject put(JavaScriptObject o, Object pname, boolean val)/*-{
o[pname]=val;
return o;
}-*/;
public static native JsArrayString props(JavaScriptObject o)/*-{
var props = [];
for(var i in o) {
props.push(i+"");;
}
return props;
}-*/;
/**
* return all values of an object (values must be javascriptobjects).
* @param o
* @return
*/
public static native JavaScriptObject valuesObj(JavaScriptObject o)/*-{
var vals = [];
for(var i in o) {
vals.push(o[i]);;
}
return vals;
}-*/;
public static native JavaScriptObject empty()/*-{
return {};
}-*/;
// public static JavaScriptObject obj(Map<String, Object> props) {
// JavaScriptObject o = empty();
// for(String k : props.keySet()) {
// Object val = props.get(k);
// put(o, k, val);
// }
// return o;
// }
// public static JavaScriptObject obj(Object...m) {
// return obj(Util.toMap2(m));
// }
public static native JavaScriptObject arrayEmpty()/*-{
return [];
}-*/;
public static native JavaScriptObject arrayPush(JavaScriptObject arr, JavaScriptObject o)/*-{
arr.push(o);
return arr;
}-*/;
public static boolean arrayContains(JsArray<JavaScriptObject> a,
JavaScriptObject val) {
for (int i = 0; i < a.length(); i++) {
JavaScriptObject o = a.get(i);
if(o!=null&&o.equals(val))
return true;
}
return false;
}
public static boolean arrayContains(JsArrayMixed a, String val) {
for (int i = 0; i < a.length(); i++) {
String o = a.getString(i);
if(o!=null&&o.equals(val))
return true;
}
return false;
}
public static boolean arrayContains(JsArrayString a,
String val) {
for (int i = 0; i < a.length(); i++) {
String o = a.get(i);
if(o!=null&&o.equals(val))
return true;
}
return false;
}
public static boolean arrayContains(JsArrayNumber a,
String val) {
for (int i = 0; i < a.length(); i++) {
Number o = a.get(i);
if(o!=null&&o.equals(val))
return true;
}
return false;
}
public static JsArrayNumber toJsArrayInt(int[] a) {
JsArrayNumber jsa = (JsArrayNumber) JsArrayNumber.createArray();
for (int i = 0; i < a.length; i++) {
jsa.push(a[i]);
}
return jsa;
}
// public static JsArrayMixed toJsArrayJavaObject(Object[] a) {
// JsArrayMixed jsa = (JsArrayMixed) JsArr.createArray();
// for (int i = 0; i < a.length; i++) {
// jsa.push((JavaScriptObject) a[i]);
// }
// return jsa;
// }
public static JsArrayNumber toJsArrayDouble(double[]a) {
if(a==null)
return null;
JsArrayNumber jsa = (JsArrayNumber) JsArrayNumber.createArray();
for (int i = 0; i < a.length; i++) {
jsa.push(a[i]);
}
return jsa;
}
public static <T extends JavaScriptObject> JsArray<T> toJsArray(Collection<T> c) {
if(c==null)
return null;
JsArray<T> jsa = (JsArray<T>) JsArrayNumber.createArray();
for (Iterator i = c.iterator(); i.hasNext();) {
T t = (T) i.next();
jsa.push(t);
}
return jsa;
}
public static JsArrayString toJsArrayString(Collection<String> c) {
if(c==null)
return null;
JsArrayString jsa = JsArrayString.createArray().cast();
for (Iterator i = c.iterator(); i.hasNext();) {
String t = (String) i.next();
jsa.push(t);
}
return jsa;
}
public static JsArrayString toJsArrayString(String[] a) {
if(a==null)
return null;
JsArrayString jsa = JsArrayNumber.createArray().cast();
for (int i = 0; i < a.length; i++) {
jsa.push(a[i]);
}
return jsa;
}
// public static JsArrayString toJsArrayString(String[] a) {
// if(a==null)
// return null;
// JsArrayString jsa = JsArrayNumber.createArray().<JsArrayString>cast();
// for (int i = 0; i < a.length; i++) {
// jsa.push(a[i]);
// }
// return jsa;
// }
public static JsArrayString toJsArrayString(Object[] a) {
if(a==null)
return null;
JsArrayString jsa = JsArrayNumber.createArray().cast();
for (int i = 0; i < a.length; i++) {
jsa.push(a[i]+"");
}
return jsa;
}
public static JsArrayMixed toJsArrayMixed(Object[] a) {
if(a==null)
return null;
JsArrayMixed jsa = JsArrayMixed.createArray().cast();
for (int i = 0; i < a.length; i++) {
Object val = a[i];
if(val instanceof String) {
jsa.push(((String)val));
}
else if(val instanceof Boolean) {
jsa.push((((Boolean)val)));
}
else if(val instanceof Integer) {
jsa.push((((Integer)val)));
}
else if(val instanceof Double) {
jsa.push((((Double)val)));
}
else if(val instanceof Float) {
jsa.push((((Float)val)));
}
else if(val instanceof JavaScriptObject) {
jsa.push((((JavaScriptObject)val)));
}
}
return jsa;
}
public static JsArray toJsArray(JavaScriptObject[] ja) {
if(ja==null)
return null;
JsArray jsa = (JsArray) JsArray.createArray();
for(JavaScriptObject t : ja) {
jsa.push(t);
}
return jsa;
}
// public static JavaScriptObject toJsObj(Object ... params) {
// return obj(params);
// }
//
/**
* builds a javascript native object using indexes 0, 2, 4, 6 as keys and 1, 3, 5, 7 as values.
* Only values of native types are allowed - string, int, double, boolean.
* @param ja
* @return
*/
public static JavaScriptObject obj(Object ... ja) {
if(ja==null)
return null;
JavaScriptObject jso = JsArray.createObject();
for (int i = 0; i < ja.length; i+=2) {
Object val = ja[i+1];
if(val instanceof Integer)
put(jso, ja[i], ((Integer)val).intValue());
else if(val instanceof String)
put(jso, ja[i], ((String)val));
else if(val instanceof Double)
put(jso, ja[i], ((Double)val).doubleValue());
else if(val instanceof Boolean)
put(jso, ja[i], ((Boolean)val).booleanValue());
}
return jso;
}
// public static Object nativeValueOf(Object o) {
// if(o instanceof Integer)
// return ((Integer)o).intValue();
// else
// return o;
// }
public static JsArray to2DJsArray(double[][] ja) {
JsArray jsa = (JsArray) JsArray.createArray();
if(ja==null)
return jsa;
for (int i = 0; i < ja.length; i++) {
jsa.push(toJsArrayDouble(ja[i]));
}
return jsa;
}
public static JsArray to2DJsArray(String[][] ja) {
JsArray jsa = (JsArray) JsArray.createArray();
if(ja==null)
return jsa;
for (int i = 0; i < ja.length; i++) {
jsa.push(toJsArrayString(ja[i]));
}
return jsa;
}
public final native static void putBoolean(JavaScriptObject o, String prop,
boolean b)/*-{
if(b) {
// $wnd.alert("putBoolean: "+prop+" - true");
o[prop]=true;
}
else {
// $wnd.alert("putBoolean: "+prop+" - false");
o[prop]=false;
}
}-*/;
public final native static void putNumber(JavaScriptObject o, String prop,
double v) /*-{
o[prop]=v;
}-*/;
public static double[] toJavaDoubleArray(JsArrayNumber a) {
if(a==null)return null;
double[] dd = new double[a.length()];
for (int i = 0; i < dd.length; i++) {
dd[i]=a.get(i);
}
return dd;
}
public static String[] toJavaStringArray(JsArrayString a) {
if(a==null)return null;
String[] dd = new String[a.length()];
for (int i = 0; i < dd.length; i++) {
dd[i]=a.get(i);
}
return dd;
}
// public static String dump(JavaScriptObject o) {
// String s = "(";
//// o.
// return s+")";
// }
public static native JavaScriptObject evalObject(String s)/*-{
return $wnd.eval("("+s+")");
}-*/;
public static String print(JsArrayMixed a) {
String s = "JSArray[";
for(int i = 0; i<a.length(); i++) {
s+=a.getString(i)+", ";
}
return s+"]";
}
public static String print(NativeEvent e) {
return "Event "+e.getType()+"("+e.getScreenX()+", "+e.getScreenY()+")";
}
public static native final void arrayRemoveItem(JsArray<?> a, int i)/*-{
a.splice(i, 1)
}-*/;
public static native double getDouble(JavaScriptObject o, String p)/*-{
return o[p];
}-*/;
public static native final String dumpObj(JavaScriptObject obj, boolean printValues)/*-{
var s = "{";
for(var i in obj) {
s+=i+(printValues ? ": "+obj[i] : "")+", ";
}
return s+"}";
}-*/;
public static final String dumpObj(JavaScriptObject obj) {
return dumpObj(obj, false);
}
// public static void dumpArr(StringBuffer sb, JsArray a, boolean printValues) {
// for (int i = 0; i < a.length(); i++) {
// sb.append(dumpObj(a.get(i), printValues));
// }
// }
// public static final native String dumpAny(JavaScriptObject arr, boolean printValues)/*-{
// function dump(arr,level) {
// var dumped_text = "";
// if(!level) level = 0;
//
// //The padding given at the beginning of the line.
// var level_padding = "";
// for(var j=0;j<level+1;j++) level_padding += " ";
//
// if(typeof(arr) == 'object') { //Array/Hashes/Objects
// for(var item in arr) {
// var value = arr[item];
//
// if(typeof(value) == 'object') { //If it is an array,
// dumped_text += level_padding + "'" + item + "' ...\n";
// dumped_text += dump(value,level+1);
// } else {
// dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
// }
// }
// } else { //Stings/Chars/Numbers etc.
// dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
// }
// return dumped_text;
// }
// }-*/;
// public static String dumpArr(JavaScriptObject arr, boolean printValues) {
// StringBuffer sb = new StringBuffer();
// for (int i = 0; i < a.length(); i++) {
// if(isObj(a.getObject(i)))
// sb.append(dumpObj(a.getObject(i), printValues));
// else
// sb.append(a.getString(i));
// sb.append(", ");
// }
// return "["+sb.toString()+"]";
// }
// public static final native boolean isObj(JavaScriptObject o)/*-{
//// $wnd.alert(typeof(o));
// return typeof(o)=="object";
// }-*/;
public static String dumpArr(JsArray a) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < a.length(); i++) {
sb.append(dumpObj(a.get(i)));
sb.append(", ");
}
return "["+sb.toString()+"]";
}
public static String dumpArr(JsArrayString a) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < a.length(); i++) {
sb.append(a.get(i));
sb.append(", ");
}
return "["+sb.toString()+"]";
}
public static native final JavaScriptObject cloneObject(JavaScriptObject o)/*-{
var o2 = {};
for(var i in o) {
o2[i]=o[i];
}
return o2;
}-*/;
public static native final JavaScriptObject eval(String s)/*-{
try {
return $wnd.eval(s);
}catch(ex) {
return null;
}
}-*/;
// public static native final JsDate toJsDate(DataTypeDate val) /*-{
// return new $wnd.Date();//val.@java.util.Date::getTime()());
// }-*/;
//
// public static native final JsDate toJsDate(DataTypeDate val) /*-{
// return new $wnd.Date();//val.@java.util.Date::getTime()());
// }-*/;
// public static Object[] arrayRemoveLast(Object[]o) {
// Object [] ret = new Object[o.length-1];
// for (int i = 0; i < o.length-1; i++) {
// ret[i]=o[i];
// }
// return ret;
//// return Arrays.copyOf(o, o.length-1);
// }
// public static JsArrayString arrayRemoveLast(String[]o) {
//// return Arrays.copyOf(o, o.length-1); don't work in gwt...
// Object [] ret = new Object[o.length-1];
// for (int i = 0; i < o.length-1; i++) {
// ret[i]=o[i];
// }
// return toJsArray()ret;
// }
public static native final String typeof(Object o)/*-{
return (typeof(o));
}-*/;
public static native final Element window()/*-{
return $wnd;
}-*/;
/**
* calls a function or evaluates an expression after a specified number of milliseconds.
* @param ms
* @param callback
* @return a handle object that can be used later in clearTimeout()
*/
public static native final int setTimeout(SimpleCallback callback, int ms)/*-{
var f = $entry(function(){
return callback.@org.sgx.yuigwt.yui.util.SimpleCallback::call()();
});
return $wnd.setTimeout(f, ms);
}-*/;
/**
* clears a timeout function caller.
* @param handle must be an obejct previously returned by setTimeout()
*/
public static native final void clearTimeout(int handle)/*-{
return $wnd.clearTimeout(handle);
}-*/;
/**
*
* @param ms interval duration in ms
* @param callback
* @return
*/
public static native final int setInterval(SimpleCallback callback, int ms)/*-{
var f = $entry(function(){
return callback.@org.sgx.yuigwt.yui.util.SimpleCallback::call()();
});
return $wnd.setInterval(f, ms);
}-*/;
/**
* clears a interval function caller.
* @param handle must be an obejct previously returned by setInterval()
*/
public static native final void clearInterval(int handle)/*-{
return $wnd.clearInterval(handle);
}-*/;
// public static final native JsArray
public static final native <T extends JavaScriptObject> JsArray<T> jsArray(T... t)/*-{
return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
public static final native JavaScriptObject toJsFunction(SimpleCallback c)/*-{
return $entry(function(){
return c.@org.sgx.yuigwt.yui.util.SimpleCallback::call()();
});
// return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
public static final native JsFunction toJsFunction(Callback c)/*-{
return $entry(function(){
return c.@org.sgx.yuigwt.yui.util.Callback::call(Lcom/google/gwt/core/client/JsArrayMixed;)(arguments);
});
// return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
public static final native JsFunction toJsFunction(CallbackString c)/*-{
return $entry(function(){
return c.@org.sgx.yuigwt.yui.util.CallbackString::call(Lcom/google/gwt/core/client/JsArrayMixed;)(arguments);
});
// return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
public static final native JsFunction toJsFunction(CallbackObject c)/*-{
return $entry(function(){
return c.@org.sgx.yuigwt.yui.util.CallbackObject::call(Lcom/google/gwt/core/client/JsArrayMixed;)(arguments);
});
// return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
public static final native JsFunction toJsFunction(AbstractCallback c)/*-{
return $entry(function(){
return c.@org.sgx.yuigwt.yui.util.AbstractCallback::call(*)(arguments);
});
// return @org.sgx.yuigwt.yui.util.JsUtil::toJsArray([Lcom/google/gwt/core/client/JavaScriptObject;)(t);
}-*/;
/**
* convert a java Callback[] to a javscript array of functions - each corresponding to given callback.
* @param c
* @return
*/
public static final JsArray<JsFunction> toJsFunction(Callback[] c) {
JsArray<JsFunction> arr = JsArray.createArray().cast();
for (int i = 0; i < c.length; i++) {
arr.push(toJsFunction(c[i]));
}
return arr;
}
public static Object print(Object[] tags) {
String s = "";
for (int i = 0; i < tags.length; i++) {
s+=tags[i];
if(i<tags.length-1)
s+=",";
}
return s;
}
/**
<pre>function MyClass(config) {
// Invoke Base constructor, passing through arguments
MyClass.superclass.constructor.apply(this, arguments);
}</pre>
* @return
*/
public static final native JsFunction buildJsFunctionConstructor(String className)/*-{
var fstr = className+".superclass.constructor.apply(this, arguments);";
var f = new Function("a",fstr);
return f;
}-*/;
/**
* call a function like if it were a class constructor, like
<pre>return new f(args);</pre>
* @return
*/
public static final native JsFunction jsFunctionConstruct(JsFunction f, JsArrayMixed args)/*-{
return new f(args);
}-*/;
public static final native String encodeURI(String s)/*-{
return $wnd.encodeURI(s);
}-*/;
public static final native String encodeURIComponent(String s)/*-{
return $wnd.encodeURIComponent(s);
}-*/;
public static final native String escape(String s)/*-{
return $wnd.escape(s);
}-*/;
public static final native JsArrayString stringSplit(String result, String sep)/*-{
return result.split(sep);
}-*/;
public static native final void arrayRemoveItem(JsArrayString a, int i)/*-{
a.splice(i, 1);
}-*/;
public static native final void arrayRemoveItem(JsArrayString a, String s)/*-{
for(var i = 0; i<a.length; i++) {
if(a[i]==s)
a.splice(i, 1);
}
}-*/;
public static <T extends JavaScriptObject> void arrayRemoveItem(JsArray<T> a, T as, Comparator<T> comp) {
for (int i = 0; i < a.length(); i++) {
if(comp.compare(a.get(i), as)==0) {
arrayRemoveItem(a, i);
}
}
}
public static String dump(Object[] els) {
String s = "[";
for (int i = 0; i < els.length; i++) {
s+=els[i]+",";
}
return s + "]";
}
}