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

Subversion Repositories eFlore/Archives.cel-v1

(root)/trunk/src/org/tela_botanica/client/AutoCompleteAsyncTextBox.java – Rev 27 → 28