workspace/TrainDelayed/src/com/td/SearchWordActivity.java

   1 package com.td;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 \r
   6 import com.td.R;\r
   7 import com.td.db.Keyword;\r
   8 import com.td.db.KeywordDao;\r
   9 \r
  10 import android.app.Activity;\r
  11 import android.os.Bundle;\r
  12 import android.text.Editable;\r
  13 import android.text.TextWatcher;\r
  14 import android.view.View;\r
  15 import android.view.View.OnClickListener;\r
  16 import android.widget.AdapterView;\r
  17 import android.widget.AdapterView.OnItemClickListener;\r
  18 import android.widget.AdapterView.OnItemSelectedListener;\r
  19 import android.widget.ArrayAdapter;\r
  20 import android.widget.Button;\r
  21 import android.widget.EditText;\r
  22 import android.widget.ListView;\r
  23 \r
  24 public class SearchWordActivity extends Activity {\r
  25         private KeywordDao dao;\r
  26         private List<Keyword> list = new ArrayList<Keyword>();\r
  27         private Keyword curKeyword = null;\r
  28         \r
  29         private View mode = null;\r
  30         private ListView listView;\r
  31         private EditText editText;\r
  32         private Button addButton;\r
  33         private Button updateButton;\r
  34         private Button deleteButton;\r
  35         private Button confButton;\r
  36         private Button cancelButton;\r
  37         private Button closeButton;\r
  38 \r
  39         @Override\r
  40         public void onCreate(Bundle savedInstanceState) {\r
  41                 super.onCreate(savedInstanceState);\r
  42                 setContentView(R.layout.search_word);\r
  43 \r
  44                 listView = (ListView) findViewById(R.id.listView81);\r
  45                 editText = (EditText) findViewById(R.id.editText81);\r
  46                 addButton = (Button) findViewById(R.id.button81);\r
  47                 updateButton = (Button) findViewById(R.id.button82);\r
  48                 deleteButton = (Button) findViewById(R.id.button83);\r
  49                 confButton = (Button) findViewById(R.id.button84);\r
  50                 cancelButton = (Button) findViewById(R.id.button85);\r
  51                 closeButton = (Button) findViewById(R.id.button86);\r
  52 \r
  53                 dao = KeywordDao.getInstance();\r
  54                 updateList();\r
  55 \r
  56                 listView.setOnItemClickListener(new OnItemClickListener() {\r
  57                         public void onItemClick(AdapterView<?> parent, View view,\r
  58                                         int position, long id) {\r
  59                                 selectedItemView(parent, view, position, id);\r
  60                         }\r
  61                 });\r
  62                 listView.setOnItemSelectedListener(new OnItemSelectedListener() {\r
  63                         public void onItemSelected(AdapterView<?> parent, View view,\r
  64                                         int position, long id) {\r
  65                                 selectedItemView(parent, view, position, id);\r
  66                         }\r
  67 \r
  68                         public void onNothingSelected(AdapterView<?> arg0) {\r
  69                                 ;\r
  70                         }\r
  71                 });\r
  72 \r
  73                 editText.addTextChangedListener(new TextWatcher() {\r
  74                         public void afterTextChanged(Editable editable) {\r
  75                                 changedEditText();\r
  76                         }\r
  77 \r
  78                         public void beforeTextChanged(CharSequence s, int start, int count,\r
  79                                         int after) {\r
  80                                 ;\r
  81                         }\r
  82 \r
  83                         public void onTextChanged(CharSequence s, int start, int before,\r
  84                                         int count) {\r
  85                                 ;\r
  86                         }\r
  87                 });\r
  88 \r
  89                 addButton.setOnClickListener(new OnClickListener() {\r
  90                         public void onClick(View view) {\r
  91                                 clickAddButton();\r
  92                         }\r
  93                 });\r
  94 \r
  95                 updateButton.setOnClickListener(new OnClickListener() {\r
  96                         public void onClick(View view) {\r
  97                                 clickUpdateButton();\r
  98                         }\r
  99                 });\r
 100 \r
 101                 deleteButton.setOnClickListener(new OnClickListener() {\r
 102                         public void onClick(View view) {\r
 103                                 clickDeleteButton();\r
 104                         }\r
 105                 });\r
 106 \r
 107                 cancelButton.setOnClickListener(new OnClickListener() {\r
 108                         public void onClick(View view) {\r
 109                                 clickCancelButton();\r
 110                         }\r
 111                 });\r
 112 \r
 113                 confButton.setOnClickListener(new OnClickListener() {\r
 114                         public void onClick(View view) {\r
 115                                 clickConfButton();\r
 116                         }\r
 117                 });\r
 118 \r
 119                 closeButton.setOnClickListener(new OnClickListener() {\r
 120                         public void onClick(View view) {\r
 121                                 clickCloseButton();\r
 122                         }\r
 123                 });\r
 124         }\r
 125 \r
 126         private void updateList() {\r
 127                 list = dao.search();            \r
 128                 ArrayAdapter<Keyword> adapter = new ArrayAdapter<Keyword>(this,\r
 129                                 android.R.layout.simple_list_item_1, list);\r
 130                 listView.setAdapter(adapter);\r
 131         }\r
 132 \r
 133         @Override\r
 134         protected void onStart() {\r
 135                 super.onStart();\r
 136                 \r
 137                 setStatus(null);\r
 138         }\r
 139         \r
 140         private void selectedItemView(AdapterView<?> parent, View view,\r
 141                         int position, long id) {\r
 142                 curKeyword = list.get(position);\r
 143                 String text = curKeyword.getText();\r
 144                 editText.setText(text);\r
 145 \r
 146                 setStatus(listView);\r
 147         }\r
 148 \r
 149         private void changedEditText() {\r
 150                 if (mode == addButton || mode == updateButton){\r
 151                         String text = editText.getText().toString();\r
 152                         confButton.setEnabled((text.length() > 0)? true : false);\r
 153                 }\r
 154         }\r
 155 \r
 156         private void clickAddButton() {\r
 157                 editText.setText("");\r
 158 \r
 159                 curKeyword = null;\r
 160                 setStatus(addButton);\r
 161                 changedEditText();\r
 162         }\r
 163 \r
 164         private void clickUpdateButton() {\r
 165                 setStatus(updateButton);\r
 166                 changedEditText();\r
 167         }\r
 168 \r
 169         private void clickDeleteButton() {\r
 170                 setStatus(deleteButton);\r
 171         }\r
 172         \r
 173         private void clickCancelButton() {\r
 174                 curKeyword = null;\r
 175                 setStatus(cancelButton);\r
 176         }\r
 177 \r
 178         private void clickConfButton() {\r
 179                 String text;\r
 180                 Keyword keyword;\r
 181                 int id;\r
 182                 \r
 183                 if (mode == addButton){\r
 184                         text = editText.getText().toString();\r
 185                         keyword = new Keyword(text);\r
 186                         dao.add(keyword);\r
 187                         updateList();                   \r
 188                 }\r
 189                 else if (mode == updateButton){\r
 190                         text = editText.getText().toString();\r
 191                         id = curKeyword.getId();\r
 192                         dao.set(id, text);\r
 193                         updateList();                                           \r
 194                 }\r
 195                 else if (mode == deleteButton){\r
 196                         id = curKeyword.getId();\r
 197                         dao.delete(id);\r
 198                         updateList();                                           \r
 199                 }\r
 200                 curKeyword = null;\r
 201                 setStatus(confButton);\r
 202         }\r
 203 \r
 204         private void clickCloseButton() {\r
 205                 setStatus(closeButton);\r
 206                 this.finish();\r
 207         }\r
 208         \r
 209         private void setStatus(View view) {\r
 210                 if (view == null) {\r
 211                         listView.setEnabled(true);\r
 212                         editText.setVisibility(View.GONE);\r
 213                         editText.setEnabled(false);\r
 214                         addButton.setVisibility(View.VISIBLE);\r
 215                         addButton.setEnabled(true);\r
 216                         updateButton.setVisibility(View.VISIBLE);\r
 217                         updateButton.setEnabled(false);\r
 218                         deleteButton.setVisibility(View.VISIBLE);\r
 219                         deleteButton.setEnabled(false);\r
 220                         confButton.setVisibility(View.GONE);\r
 221                         confButton.setEnabled(true);\r
 222                         cancelButton.setVisibility(View.GONE);\r
 223                         closeButton.setVisibility(View.VISIBLE);\r
 224                 }\r
 225                 else if (view == listView) {\r
 226                         editText.setVisibility(View.VISIBLE);\r
 227                         editText.setEnabled(false);\r
 228                         addButton.setEnabled(false);\r
 229                         updateButton.setEnabled(true);\r
 230                         deleteButton.setEnabled(true);\r
 231                         cancelButton.setVisibility(View.VISIBLE);\r
 232                         closeButton.setVisibility(View.GONE);\r
 233                 } else if (view == addButton) {\r
 234                         listView.setEnabled(false);\r
 235                         editText.setVisibility(View.VISIBLE);\r
 236                         editText.setEnabled(true);\r
 237                         addButton.setVisibility(View.GONE);\r
 238                         updateButton.setVisibility(View.GONE);\r
 239                         deleteButton.setVisibility(View.GONE);\r
 240                         confButton.setVisibility(View.VISIBLE);\r
 241                         cancelButton.setVisibility(View.VISIBLE);\r
 242                         closeButton.setVisibility(View.GONE);\r
 243                 } else if (view == updateButton) {\r
 244                         listView.setEnabled(false);\r
 245                         editText.setEnabled(true);\r
 246                         addButton.setVisibility(View.GONE);\r
 247                         updateButton.setVisibility(View.GONE);\r
 248                         deleteButton.setVisibility(View.GONE);\r
 249                         confButton.setVisibility(View.VISIBLE);\r
 250                         cancelButton.setVisibility(View.VISIBLE);\r
 251                         closeButton.setVisibility(View.GONE);\r
 252                 } else if (view == deleteButton) {\r
 253                         listView.setEnabled(false);\r
 254                         addButton.setVisibility(View.GONE);\r
 255                         updateButton.setVisibility(View.GONE);\r
 256                         deleteButton.setVisibility(View.GONE);\r
 257                         confButton.setVisibility(View.VISIBLE);\r
 258                         cancelButton.setVisibility(View.VISIBLE);\r
 259                         closeButton.setVisibility(View.GONE);\r
 260                 } else if (view == confButton) {\r
 261                         setStatus(null);\r
 262                 } else if (view == cancelButton) {\r
 263                         setStatus(null);\r
 264                 } else if (view == closeButton) {\r
 265                         setStatus(null);\r
 266                 }\r
 267                 mode = view;\r
 268         }\r
 269 }\r