WebSVN – eFlore/Archives.cel-v1 – Diff – /trunk/src/org/tela_botanica/client/AutoCompleteAsyncTextBox.java


/*
Auto-Completion Textbox for GWT
Copyright (C) 2006 Oliver Albers http://gwt.components.googlepages.com/
 
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
 
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
*/
package org.tela_botanica.client;
 
 
// TODO : traiter latence (augmenter en fonction rapidité saisie + texte vide)
// TODO : traitement espace apres l'espece (%20)
 
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.HTTPRequest;
import com.google.gwt.user.client.ResponseTextHandler;
import com.google.gwt.user.client.ui.KeyboardListener;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event; 
 
import java.util.Vector;
import java.util.HashMap;
 
 
 
public class AutoCompleteAsyncTextBox extends TextBox
    implements KeyboardListener, SourcesAutoCompleteAsyncTextBoxEvents {
   
  private String searchUrl = null; 
  private AutoCompleteAsyncTextBoxListenerCollection autoCompleteAsyncTextBoxListeners=null;  
    
  private HashMap cache = new HashMap();
  private boolean searching = false;
  private ResponseTextHandler responseTextHandler=null;
		  
  protected PopupPanel choicesPopup = new PopupPanel(true);
  protected ListBox choices = new ListBox() {
	  public void onBrowserEvent(Event event) {
		  if (Event.ONCLICK == DOM.eventGetType(event)) {
			  complete();
		  }
	  } 
  };
  protected Vector items = new Vector(); 
  protected boolean popupAdded = false;
  protected boolean visible = false;
  
  /**
   * Value linked to current text
   */
  protected String currentValue = null;
  
   
   
  /**
   * Default Constructor
   *
   */
  public AutoCompleteAsyncTextBox(ResponseTextHandler rsp)
  {
    super();
    responseTextHandler=rsp;
    this.addKeyboardListener(this);
    choices.sinkEvents(Event.ONCLICK); 
    this.setStyleName("AutoCompleteAsyncTextBox");
       
    choicesPopup.add(choices);
    choicesPopup.addStyleName("AutoCompleteChoices");
       
    choices.setStyleName("list");
    
  }
 
 
  
  public void addAutoCompleteAsyncTextBoxListener(AutoCompleteAsyncTextBoxListener listener) {
	    if (autoCompleteAsyncTextBoxListeners == null) {
	      autoCompleteAsyncTextBoxListeners = new AutoCompleteAsyncTextBoxListenerCollection();
	    }
	    autoCompleteAsyncTextBoxListeners.addElement(listener);
  }
 
 
 
  public void setSearchUrl(String url) {
	  
	  this.searchUrl=url;
  }
  
  private void doFetchURL(String match) {
	  /*
	   * Here we fetch the URL and call the handler
	   */	  
	
 
	  String rematch=match.replaceAll(" ","/");
	  rematch=rematch.replaceAll("%","");
	  
	  if (this.searchUrl!=null && searching==false) {
		  searching=true;
	 //     HTTPRequest.asyncGet(URL.encodeComponent(this.searchUrl) + rematch, responseTextHandler );
	      HTTPRequest.asyncGet(this.searchUrl + rematch, responseTextHandler );
 
	  }
  }
 
  
  public void onKeyDown(Widget arg0, char arg1, int arg2) {
	  
	  
	  if(arg1 == KEY_ENTER)
	    {
	      enterKey(arg0, arg1, arg2);
	    }
	    else if(arg1 == KEY_DOWN)
	    {
	      downKey(arg0, arg1, arg2);
	    }
	    else if(arg1 == KEY_UP)
	    {
	      upKey(arg0, arg1, arg2);
	    }
	    else if(arg1 == KEY_ESCAPE)
	    {
	      escapeKey(arg0, arg1, arg2);
	    }
	  	
	  
  }	 
  /**
   * Not used at all (probleme avec ie, qui ne comprend pas les touches meta)
   */
  public void onKeyPress(Widget arg0, char arg1, int arg2) {
	
 
  }
  
  // The down key was pressed.
  protected void downKey(Widget arg0, char arg1, int arg2) {
	  
	    int selectedIndex = choices.getSelectedIndex();
	    selectedIndex++;
	    if (selectedIndex >= choices.getItemCount())
	    {
	      selectedIndex = 0;
	    }
	    choices.setSelectedIndex(selectedIndex);
 }
 
  // The up key was pressed.
  protected void upKey(Widget arg0, char arg1, int arg2) {
    int selectedIndex = choices.getSelectedIndex();
    selectedIndex--;
    if(selectedIndex < 0)
    {
      selectedIndex = choices.getItemCount() - 1;
    }
    choices.setSelectedIndex(selectedIndex);
  } 
 
  // The enter key was pressed.
  protected void enterKey(Widget arg0, char arg1, int arg2) {
      if(visible)
      {
        complete();
      }
      else {
    	 // Validation de l'entree : appel asynchrone  
          if (autoCompleteAsyncTextBoxListeners!= null) {
              autoCompleteAsyncTextBoxListeners.fireTextBoxEnter(this,this.getText(),currentValue);
          }
    	  currentValue=null;
    	  this.setText("");
      }
 
  }
 
//The escape key was pressed.
  protected void escapeKey(Widget arg0, char arg1, int arg2) {
    choices.clear();
    items.clear();
    choicesPopup.hide();
    visible = false;
 
  } 
 
 
  // Any other non-special key was pressed.
  protected void otherKey(Widget arg0, char arg1, int arg2) {
   
	
    // Lancement appel 
    String text = this.getText();
    
    	
	    if(text.length() > 0)
	    {
	    
		      items.clear();
		      
		      if (getFromCache(text)!=null) {
		    	  items=getFromCache(text);
		    	  displayList();
		      }
		      else {
		     
		    	  this.doFetchURL(text);
		      }
		 }
   
	
	    
    
  } 
  
  public void onKeyUp(Widget arg0, char arg1, int arg2) {
	  
	  switch(arg1) {
      case KEY_ALT:
      case KEY_CTRL:
      case KEY_DOWN:
      case KEY_END:
      case KEY_ENTER:
      case KEY_ESCAPE:
      case KEY_HOME:
      case KEY_LEFT:
      case KEY_PAGEDOWN:
      case KEY_PAGEUP:
      case KEY_RIGHT:
      case KEY_SHIFT:
      case KEY_TAB:
      case KEY_UP:
        break;
      default:
        otherKey(arg0, arg1, arg2);
        break;
    }
 
  }
    
  
  // Display assistant
  
    public void displayList() { 
    	
    	searching=false;
	    if(this.items.size() > 0)
	    {
	    	
	      addToCache(this.getText(),(Vector) items.clone());
	      
	      choices.clear();
	           
	      for(int i = 0; i < items.size(); i++)
	      {
	        choices.addItem(((String [])items.get(i))[0],((String [])items.get(i))[1]);
	      }
	      
	           
	      // if there is only one match and it is what is in the
	      // text field anyways there is no need to show autocompletion
	    //  if(items.size() == 1 && (((String []) items.get(0))[0]).compareTo(this.getText()) == 0)
	     // {
	       // choicesPopup.hide();
	     // } else {
	        choices.setSelectedIndex(0);
	        choices.setVisibleItemCount(items.size());
	               
	        if(!popupAdded)
	        {
	          RootPanel.get().add(choicesPopup);
	          popupAdded = true;
	        }
	        choicesPopup.show();
	        visible = true;
	        choicesPopup.setPopupPosition(this.getAbsoluteLeft(),
	        this.getAbsoluteTop() + this.getOffsetHeight());
	        choicesPopup.setWidth(this.getOffsetWidth() + "px");
	        choices.setWidth(this.getOffsetWidth() + "px");
	    //  }
	
	    } else {
	      visible = false;
	      choicesPopup.hide();
	    }
	  }
 
  /**
   * A mouseclick in the list of items
   */
  public void onChange(Widget arg0) {
    complete();
  }
  
 
  public void onClick(Widget arg0) {
    complete();
  }
   
  // add selected item to textbox
  protected void complete()
  {
	  
    
    if(choices.getItemCount() > 0)
    {
      this.setText(choices.getItemText(choices.getSelectedIndex()));
      currentValue=choices.getValue(choices.getSelectedIndex());
      if (autoCompleteAsyncTextBoxListeners!= null) {
          autoCompleteAsyncTextBoxListeners.fireTextBoxComplete(responseTextHandler,this.getText(),currentValue);
      }
    }
 
    visible=false;
    items.clear();
    choices.clear();
    choicesPopup.hide();
  }
  
  
  public void addItem(String item, String value) {
	  items.add(new String [] {item, value});
  }
  
  private void addToCache (String query, Vector result)
  {
	cache.put(query.toLowerCase(),result);
  }
 
  private Vector getFromCache (String query)
  {
	return (Vector) cache.get(query.toLowerCase());
  }
 
 
 
public String getValue() {
	return currentValue;
}
  
 
public  void setValue(String value) {
	 this.currentValue=value;
}
  
  
}
 

Rev 25	Rev 26
1	`/*`	1	`/*`
2	`Auto-Completion Textbox for GWT`	2	`Auto-Completion Textbox for GWT`
3	`Copyright (C) 2006 Oliver Albers http://gwt.components.googlepages.com/`	3	`Copyright (C) 2006 Oliver Albers http://gwt.components.googlepages.com/`
4		4
5	`This library is free software; you can redistribute it and/or`	5	`This library is free software; you can redistribute it and/or`
6	`modify it under the terms of the GNU Lesser General Public`	6	`modify it under the terms of the GNU Lesser General Public`
7	`License as published by the Free Software Foundation; either`	7	`License as published by the Free Software Foundation; either`
8	`version 2.1 of the License, or (at your option) any later version.`	8	`version 2.1 of the License, or (at your option) any later version.`
9		9
10	`This library is distributed in the hope that it will be useful,`	10	`This library is distributed in the hope that it will be useful,`
11	`but WITHOUT ANY WARRANTY; without even the implied warranty of`	11	`but WITHOUT ANY WARRANTY; without even the implied warranty of`
12	`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`	12	`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
13	`Lesser General Public License for more details.`	13	`Lesser General Public License for more details.`
14		14
15	`You should have received a copy of the GNU Lesser General Public`	15	`You should have received a copy of the GNU Lesser General Public`
16	`License along with this library; if not, write to the Free Software`	16	`License along with this library; if not, write to the Free Software`
17	`Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA`	17	`Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA`
18		18
19	`*/`	19	`*/`
20	`package org.tela_botanica.client;`	20	`package org.tela_botanica.client;`
21		21
22		22
23	`// TODO : traiter latence (augmenter en fonction rapidité saisie + texte vide)`	23	`// TODO : traiter latence (augmenter en fonction rapidité saisie + texte vide)`
24	`// TODO : traitement espace apres l'espece (%20)`	24	`// TODO : traitement espace apres l'espece (%20)`
-		25
25		26	`import com.google.gwt.http.client.URL;`
26	`import com.google.gwt.user.client.HTTPRequest;`	27	`import com.google.gwt.user.client.HTTPRequest;`
27	`import com.google.gwt.user.client.ResponseTextHandler;`	28	`import com.google.gwt.user.client.ResponseTextHandler;`
28	`import com.google.gwt.user.client.ui.KeyboardListener;`	29	`import com.google.gwt.user.client.ui.KeyboardListener;`
29	`import com.google.gwt.user.client.ui.ListBox;`	30	`import com.google.gwt.user.client.ui.ListBox;`
30	`import com.google.gwt.user.client.ui.PopupPanel;`	31	`import com.google.gwt.user.client.ui.PopupPanel;`
31	`import com.google.gwt.user.client.ui.RootPanel;`	32	`import com.google.gwt.user.client.ui.RootPanel;`
32	`import com.google.gwt.user.client.ui.TextBox;`	33	`import com.google.gwt.user.client.ui.TextBox;`
33	`import com.google.gwt.user.client.ui.Widget;`	34	`import com.google.gwt.user.client.ui.Widget;`
34	`import com.google.gwt.user.client.DOM;`	35	`import com.google.gwt.user.client.DOM;`
35	`import com.google.gwt.user.client.Event;`	36	`import com.google.gwt.user.client.Event;`
36		37
37	`import java.util.Vector;`	38	`import java.util.Vector;`
38	`import java.util.HashMap;`	39	`import java.util.HashMap;`
39		40
40		41
41		42
42	`public class AutoCompleteAsyncTextBox extends TextBox`	43	`public class AutoCompleteAsyncTextBox extends TextBox`
43	`implements KeyboardListener, SourcesAutoCompleteAsyncTextBoxEvents {`	44	`implements KeyboardListener, SourcesAutoCompleteAsyncTextBoxEvents {`
44		45
45	`private String searchUrl = null;`	46	`private String searchUrl = null;`
46	`private AutoCompleteAsyncTextBoxListenerCollection autoCompleteAsyncTextBoxListeners=null;`	47	`private AutoCompleteAsyncTextBoxListenerCollection autoCompleteAsyncTextBoxListeners=null;`
47		48
48	`private HashMap cache = new HashMap();`	49	`private HashMap cache = new HashMap();`
49	`private boolean searching = false;`	50	`private boolean searching = false;`
50	`private ResponseTextHandler responseTextHandler=null;`	51	`private ResponseTextHandler responseTextHandler=null;`
51		52
52	`protected PopupPanel choicesPopup = new PopupPanel(true);`	53	`protected PopupPanel choicesPopup = new PopupPanel(true);`
53	`protected ListBox choices = new ListBox() {`	54	`protected ListBox choices = new ListBox() {`
54	`public void onBrowserEvent(Event event) {`	55	`public void onBrowserEvent(Event event) {`
55	`if (Event.ONCLICK == DOM.eventGetType(event)) {`	56	`if (Event.ONCLICK == DOM.eventGetType(event)) {`
56	`complete();`	57	`complete();`
57	`}`	58	`}`
58	`}`	59	`}`
59	`};`	60	`};`
60	`protected Vector items = new Vector();`	61	`protected Vector items = new Vector();`
61	`protected boolean popupAdded = false;`	62	`protected boolean popupAdded = false;`
62	`protected boolean visible = false;`	63	`protected boolean visible = false;`
63		64
64	`/**`	65	`/**`
65	`* Value linked to current text`	66	`* Value linked to current text`
66	`*/`	67	`*/`
67	`protected String currentValue = null;`	68	`protected String currentValue = null;`
68		69
69		70
70		71
71	`/**`	72	`/**`
72	`* Default Constructor`	73	`* Default Constructor`
73	`*`	74	`*`
74	`*/`	75	`*/`
75	`public AutoCompleteAsyncTextBox(ResponseTextHandler rsp)`	76	`public AutoCompleteAsyncTextBox(ResponseTextHandler rsp)`
76	`{`	77	`{`
77	`super();`	78	`super();`
78	`responseTextHandler=rsp;`	79	`responseTextHandler=rsp;`
79	`this.addKeyboardListener(this);`	80	`this.addKeyboardListener(this);`
80	`choices.sinkEvents(Event.ONCLICK);`	81	`choices.sinkEvents(Event.ONCLICK);`
81	`this.setStyleName("AutoCompleteAsyncTextBox");`	82	`this.setStyleName("AutoCompleteAsyncTextBox");`
82		83
83	`choicesPopup.add(choices);`	84	`choicesPopup.add(choices);`
84	`choicesPopup.addStyleName("AutoCompleteChoices");`	85	`choicesPopup.addStyleName("AutoCompleteChoices");`
85		86
86	`choices.setStyleName("list");`	87	`choices.setStyleName("list");`
87		88
88	`}`	89	`}`
89		90
90		91
91		92
92	`public void addAutoCompleteAsyncTextBoxListener(AutoCompleteAsyncTextBoxListener listener) {`	93	`public void addAutoCompleteAsyncTextBoxListener(AutoCompleteAsyncTextBoxListener listener) {`
93	`if (autoCompleteAsyncTextBoxListeners == null) {`	94	`if (autoCompleteAsyncTextBoxListeners == null) {`
94	`autoCompleteAsyncTextBoxListeners = new AutoCompleteAsyncTextBoxListenerCollection();`	95	`autoCompleteAsyncTextBoxListeners = new AutoCompleteAsyncTextBoxListenerCollection();`
95	`}`	96	`}`
96	`autoCompleteAsyncTextBoxListeners.addElement(listener);`	97	`autoCompleteAsyncTextBoxListeners.addElement(listener);`
97	`}`	98	`}`
98		99
99		100
100		101
101	`public void setSearchUrl(String url) {`	102	`public void setSearchUrl(String url) {`
102		103
103	`this.searchUrl=url;`	104	`this.searchUrl=url;`
104	`}`	105	`}`
105		106
106	`private void doFetchURL(String match) {`	107	`private void doFetchURL(String match) {`
107	`/*`	108	`/*`
108	`* Here we fetch the URL and call the handler`	109	`* Here we fetch the URL and call the handler`
109	`*/`	110	`*/`
-		111
110		112
111	`String rematch=match.replaceAll(" ","/");`	113	`String rematch=match.replaceAll(" ","/");`
112	`rematch=rematch.replaceAll("%","");`	114	`rematch=rematch.replaceAll("%","");`
113		115
114	`if (this.searchUrl!=null && searching==false) {`	116	`if (this.searchUrl!=null && searching==false) {`
115	`searching=true;`	117	`searching=true;`
116	`// HTTPRequest.asyncGet(URL.encodeComponent(this.searchUrl) + rematch, responseTextHandler );`	118	`// HTTPRequest.asyncGet(URL.encodeComponent(this.searchUrl) + rematch, responseTextHandler );`
117	`HTTPRequest.asyncGet(this.searchUrl + rematch, responseTextHandler );`	119	`HTTPRequest.asyncGet(this.searchUrl + rematch, responseTextHandler );`
118		120
119	`}`	121	`}`
120	`}`	122	`}`
121		123
122		124
123	`public void onKeyDown(Widget arg0, char arg1, int arg2) {`	125	`public void onKeyDown(Widget arg0, char arg1, int arg2) {`
124		126
125		127
126	`if(arg1 == KEY_ENTER)`	128	`if(arg1 == KEY_ENTER)`
127	`{`	129	`{`
128	`enterKey(arg0, arg1, arg2);`	130	`enterKey(arg0, arg1, arg2);`
129	`}`	131	`}`
130	`else if(arg1 == KEY_DOWN)`	132	`else if(arg1 == KEY_DOWN)`
131	`{`	133	`{`
132	`downKey(arg0, arg1, arg2);`	134	`downKey(arg0, arg1, arg2);`
133	`}`	135	`}`
134	`else if(arg1 == KEY_UP)`	136	`else if(arg1 == KEY_UP)`
135	`{`	137	`{`
136	`upKey(arg0, arg1, arg2);`	138	`upKey(arg0, arg1, arg2);`
137	`}`	139	`}`
138	`else if(arg1 == KEY_ESCAPE)`	140	`else if(arg1 == KEY_ESCAPE)`
139	`{`	141	`{`
140	`escapeKey(arg0, arg1, arg2);`	142	`escapeKey(arg0, arg1, arg2);`
141	`}`	143	`}`
142		144
143		145
144	`}`	146	`}`
145	`/**`	147	`/**`
146	`* Not used at all (probleme avec ie, qui ne comprend pas les touches meta)`	148	`* Not used at all (probleme avec ie, qui ne comprend pas les touches meta)`
147	`*/`	149	`*/`
148	`public void onKeyPress(Widget arg0, char arg1, int arg2) {`	150	`public void onKeyPress(Widget arg0, char arg1, int arg2) {`
149		151
150		152
151	`}`	153	`}`
152		154
153	`// The down key was pressed.`	155	`// The down key was pressed.`
154	`protected void downKey(Widget arg0, char arg1, int arg2) {`	156	`protected void downKey(Widget arg0, char arg1, int arg2) {`
155		157
156	`int selectedIndex = choices.getSelectedIndex();`	158	`int selectedIndex = choices.getSelectedIndex();`
157	`selectedIndex++;`	159	`selectedIndex++;`
158	`if (selectedIndex >= choices.getItemCount())`	160	`if (selectedIndex >= choices.getItemCount())`
159	`{`	161	`{`
160	`selectedIndex = 0;`	162	`selectedIndex = 0;`
161	`}`	163	`}`
162	`choices.setSelectedIndex(selectedIndex);`	164	`choices.setSelectedIndex(selectedIndex);`
163	`}`	165	`}`
164		166
165	`// The up key was pressed.`	167	`// The up key was pressed.`
166	`protected void upKey(Widget arg0, char arg1, int arg2) {`	168	`protected void upKey(Widget arg0, char arg1, int arg2) {`
167	`int selectedIndex = choices.getSelectedIndex();`	169	`int selectedIndex = choices.getSelectedIndex();`
168	`selectedIndex--;`	170	`selectedIndex--;`
169	`if(selectedIndex < 0)`	171	`if(selectedIndex < 0)`
170	`{`	172	`{`
171	`selectedIndex = choices.getItemCount() - 1;`	173	`selectedIndex = choices.getItemCount() - 1;`
172	`}`	174	`}`
173	`choices.setSelectedIndex(selectedIndex);`	175	`choices.setSelectedIndex(selectedIndex);`
174	`}`	176	`}`
175		177
176	`// The enter key was pressed.`	178	`// The enter key was pressed.`
177	`protected void enterKey(Widget arg0, char arg1, int arg2) {`	179	`protected void enterKey(Widget arg0, char arg1, int arg2) {`
178	`if(visible)`	180	`if(visible)`
179	`{`	181	`{`
180	`complete();`	182	`complete();`
181	`}`	183	`}`
182	`else {`	184	`else {`
183	`// Validation de l'entree : appel asynchrone`	185	`// Validation de l'entree : appel asynchrone`
184	`if (autoCompleteAsyncTextBoxListeners!= null) {`	186	`if (autoCompleteAsyncTextBoxListeners!= null) {`
185	`autoCompleteAsyncTextBoxListeners.fireTextBoxEnter(this,this.getText(),currentValue);`	187	`autoCompleteAsyncTextBoxListeners.fireTextBoxEnter(this,this.getText(),currentValue);`
186	`}`	188	`}`
187	`currentValue=null;`	189	`currentValue=null;`
188	`this.setText("");`	190	`this.setText("");`
189	`}`	191	`}`
190		192
191	`}`	193	`}`
192		194
193	`//The escape key was pressed.`	195	`//The escape key was pressed.`
194	`protected void escapeKey(Widget arg0, char arg1, int arg2) {`	196	`protected void escapeKey(Widget arg0, char arg1, int arg2) {`
195	`choices.clear();`	197	`choices.clear();`
196	`items.clear();`	198	`items.clear();`
197	`choicesPopup.hide();`	199	`choicesPopup.hide();`
198	`visible = false;`	200	`visible = false;`
199		201
200	`}`	202	`}`
201		203
202		204
203	`// Any other non-special key was pressed.`	205	`// Any other non-special key was pressed.`
204	`protected void otherKey(Widget arg0, char arg1, int arg2) {`	206	`protected void otherKey(Widget arg0, char arg1, int arg2) {`
205		207
206		208
207	`// Lancement appel`	209	`// Lancement appel`
208	`String text = this.getText();`	210	`String text = this.getText();`
209		211
210		212
211	`if(text.length() > 0)`	213	`if(text.length() > 0)`
212	`{`	214	`{`
213		215
214	`items.clear();`	216	`items.clear();`
215		217
216	`if (getFromCache(text)!=null) {`	218	`if (getFromCache(text)!=null) {`
217	`items=getFromCache(text);`	219	`items=getFromCache(text);`
218	`displayList();`	220	`displayList();`
219	`}`	221	`}`
220	`else {`	222	`else {`
221		223
222	`this.doFetchURL(text);`	224	`this.doFetchURL(text);`
223	`}`	225	`}`
224	`}`	226	`}`
225		227
226		228
227		229
228		230
229	`}`	231	`}`
230		232
231	`public void onKeyUp(Widget arg0, char arg1, int arg2) {`	233	`public void onKeyUp(Widget arg0, char arg1, int arg2) {`
232		234
233	`switch(arg1) {`	235	`switch(arg1) {`
234	`case KEY_ALT:`	236	`case KEY_ALT:`
235	`case KEY_CTRL:`	237	`case KEY_CTRL:`
236	`case KEY_DOWN:`	238	`case KEY_DOWN:`
237	`case KEY_END:`	239	`case KEY_END:`
238	`case KEY_ENTER:`	240	`case KEY_ENTER:`
239	`case KEY_ESCAPE:`	241	`case KEY_ESCAPE:`
240	`case KEY_HOME:`	242	`case KEY_HOME:`
241	`case KEY_LEFT:`	243	`case KEY_LEFT:`
242	`case KEY_PAGEDOWN:`	244	`case KEY_PAGEDOWN:`
243	`case KEY_PAGEUP:`	245	`case KEY_PAGEUP:`
244	`case KEY_RIGHT:`	246	`case KEY_RIGHT:`
245	`case KEY_SHIFT:`	247	`case KEY_SHIFT:`
246	`case KEY_TAB:`	248	`case KEY_TAB:`
247	`case KEY_UP:`	249	`case KEY_UP:`
248	`break;`	250	`break;`
249	`default:`	251	`default:`
250	`otherKey(arg0, arg1, arg2);`	252	`otherKey(arg0, arg1, arg2);`
251	`break;`	253	`break;`
252	`}`	254	`}`
253		255
254	`}`	256	`}`
255		257
256		258
257	`// Display assistant`	259	`// Display assistant`
258		260
259	`public void displayList() {`	261	`public void displayList() {`
260		262
261	`searching=false;`	263	`searching=false;`
262	`if(this.items.size() > 0)`	264	`if(this.items.size() > 0)`
263	`{`	265	`{`
264		266
265	`addToCache(this.getText(),(Vector) items.clone());`	267	`addToCache(this.getText(),(Vector) items.clone());`
266		268
267	`choices.clear();`	269	`choices.clear();`
268		270
269	`for(int i = 0; i < items.size(); i++)`	271	`for(int i = 0; i < items.size(); i++)`
270	`{`	272	`{`
271	`choices.addItem(((String [])items.get(i))[0],((String [])items.get(i))[1]);`	273	`choices.addItem(((String [])items.get(i))[0],((String [])items.get(i))[1]);`
272	`}`	274	`}`
273		275
274		276
275	`// if there is only one match and it is what is in the`	277	`// if there is only one match and it is what is in the`
276	`// text field anyways there is no need to show autocompletion`	278	`// text field anyways there is no need to show autocompletion`
277	`// if(items.size() == 1 && (((String []) items.get(0))[0]).compareTo(this.getText()) == 0)`	279	`// if(items.size() == 1 && (((String []) items.get(0))[0]).compareTo(this.getText()) == 0)`
278	`// {`	280	`// {`
279	`// choicesPopup.hide();`	281	`// choicesPopup.hide();`
280	`// } else {`	282	`// } else {`
281	`choices.setSelectedIndex(0);`	283	`choices.setSelectedIndex(0);`
282	`choices.setVisibleItemCount(items.size());`	284	`choices.setVisibleItemCount(items.size());`
283		285
284	`if(!popupAdded)`	286	`if(!popupAdded)`
285	`{`	287	`{`
286	`RootPanel.get().add(choicesPopup);`	288	`RootPanel.get().add(choicesPopup);`
287	`popupAdded = true;`	289	`popupAdded = true;`
288	`}`	290	`}`
289	`choicesPopup.show();`	291	`choicesPopup.show();`
290	`visible = true;`	292	`visible = true;`
291	`choicesPopup.setPopupPosition(this.getAbsoluteLeft(),`	293	`choicesPopup.setPopupPosition(this.getAbsoluteLeft(),`
292	`this.getAbsoluteTop() + this.getOffsetHeight());`	294	`this.getAbsoluteTop() + this.getOffsetHeight());`
293	`choicesPopup.setWidth(this.getOffsetWidth() + "px");`	295	`choicesPopup.setWidth(this.getOffsetWidth() + "px");`
294	`choices.setWidth(this.getOffsetWidth() + "px");`	296	`choices.setWidth(this.getOffsetWidth() + "px");`
295	`// }`	297	`// }`
296		298
297	`} else {`	299	`} else {`
298	`visible = false;`	300	`visible = false;`
299	`choicesPopup.hide();`	301	`choicesPopup.hide();`
300	`}`	302	`}`
301	`}`	303	`}`
302		304
303	`/**`	305	`/**`
304	`* A mouseclick in the list of items`	306	`* A mouseclick in the list of items`
305	`*/`	307	`*/`
306	`public void onChange(Widget arg0) {`	308	`public void onChange(Widget arg0) {`
307	`complete();`	309	`complete();`
308	`}`	310	`}`
309		311
310		312
311	`public void onClick(Widget arg0) {`	313	`public void onClick(Widget arg0) {`
312	`complete();`	314	`complete();`
313	`}`	315	`}`
314		316
315	`// add selected item to textbox`	317	`// add selected item to textbox`
316	`protected void complete()`	318	`protected void complete()`
317	`{`	319	`{`
318		320
319		321
320	`if(choices.getItemCount() > 0)`	322	`if(choices.getItemCount() > 0)`
321	`{`	323	`{`
322	`this.setText(choices.getItemText(choices.getSelectedIndex()));`	324	`this.setText(choices.getItemText(choices.getSelectedIndex()));`
323	`currentValue=choices.getValue(choices.getSelectedIndex());`	325	`currentValue=choices.getValue(choices.getSelectedIndex());`
324	`if (autoCompleteAsyncTextBoxListeners!= null) {`	326	`if (autoCompleteAsyncTextBoxListeners!= null) {`
325	`autoCompleteAsyncTextBoxListeners.fireTextBoxComplete(responseTextHandler,this.getText(),currentValue);`	327	`autoCompleteAsyncTextBoxListeners.fireTextBoxComplete(responseTextHandler,this.getText(),currentValue);`
326	`}`	328	`}`
327	`}`	329	`}`
328		330
329	`visible=false;`	331	`visible=false;`
330	`items.clear();`	332	`items.clear();`
331	`choices.clear();`	333	`choices.clear();`
332	`choicesPopup.hide();`	334	`choicesPopup.hide();`
333	`}`	335	`}`
334		336
335		337
336	`public void addItem(String item, String value) {`	338	`public void addItem(String item, String value) {`
337	`items.add(new String [] {item, value});`	339	`items.add(new String [] {item, value});`
338	`}`	340	`}`
339		341
340	`private void addToCache (String query, Vector result)`	342	`private void addToCache (String query, Vector result)`
341	`{`	343	`{`
342	`cache.put(query.toLowerCase(),result);`	344	`cache.put(query.toLowerCase(),result);`
343	`}`	345	`}`
344		346
345	`private Vector getFromCache (String query)`	347	`private Vector getFromCache (String query)`
346	`{`	348	`{`
347	`return (Vector) cache.get(query.toLowerCase());`	349	`return (Vector) cache.get(query.toLowerCase());`
348	`}`	350	`}`
349		351
350		352
351		353
352	`public String getValue() {`	354	`public String getValue() {`
353	`return currentValue;`	355	`return currentValue;`
354	`}`	356	`}`
355		357
356		358
357	`public void setValue(String value) {`	359	`public void setValue(String value) {`
358	`this.currentValue=value;`	360	`this.currentValue=value;`
359	`}`	361	`}`
360		362
361		363
362	`}`	364	`}`
363		365

Subversion Repositories eFlore/Archives.cel-v1

(root)/trunk/src/org/tela_botanica/client/AutoCompleteAsyncTextBox.java – Rev 25 → 26