1 | /*
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2 | *
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3 | * This program is free software: you can redistribute it and/or modify
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4 | * it under the terms of the GNU General Public License as published by
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5 | * the Free Software Foundation, either version 3 of the License, or
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6 | * (at your option) any later version.
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7 | *
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8 | * This program is distributed in the hope that it will be useful,
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 | * GNU General Public License for more details.
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12 | *
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13 | * You should have received a copy of the GNU General Public License
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14 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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15 | *
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16 | * Based on FileBrowserIconAdapter.java from mapsforge.org
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17 | *
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18 | */
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19 | package org.greenstone.android.tipple.base;
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20 |
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21 | import java.io.File;
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22 |
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23 | import org.greenstone.android.tipple.R;
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24 |
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25 | import android.content.Context;
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26 | import android.view.Gravity;
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27 | import android.view.View;
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28 | import android.view.ViewGroup;
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29 | import android.widget.BaseAdapter;
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30 | import android.widget.TextView;
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31 |
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32 | /**
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33 | * An adapter for the FileBrowser GridView.
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34 | */
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35 | class TippleLogFileBrowserIconAdapter extends BaseAdapter
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36 | {
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37 | private Context context;
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38 | private File currentFile;
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39 | private File[] files;
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40 | private boolean hasParentFolder;
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41 | private TextView textView;
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42 |
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43 | /**
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44 | * Create a new FileBrowserIconAdapter with the given context.
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45 | *
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46 | * @param context
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47 | * the context of this adapter, through which new Views can be created.
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48 | */
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49 | TippleLogFileBrowserIconAdapter(Context context) {
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50 | this.context = context;
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51 | }
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52 |
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53 | @Override
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54 | public int getCount() {
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55 | if (this.files == null) {
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56 | return 0;
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57 | }
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58 | return this.files.length;
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59 | }
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60 |
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61 | @Override
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62 | public Object getItem(int index) {
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63 | return this.files[index];
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64 | }
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65 |
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66 | @Override
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67 | public long getItemId(int index) {
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68 | return index;
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69 | }
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70 |
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71 | @Override
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72 | public View getView(int index, View convertView, ViewGroup parent) {
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73 | if (convertView instanceof TextView) {
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74 | // recycle the old view
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75 | this.textView = (TextView) convertView;
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76 | } else {
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77 | // create a new view object
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78 | this.textView = new TextView(this.context);
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79 | this.textView.setLines(2);
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80 | this.textView.setGravity(Gravity.CENTER_HORIZONTAL);
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81 | this.textView.setPadding(5, 10, 5, 10);
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82 | }
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83 |
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84 | if (index == 0 && this.hasParentFolder) {
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85 | // the parent directory of the current folder
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86 | this.textView.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.ic_menu_back,
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87 | 0, 0);
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88 | this.textView.setText("..");
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89 | } else {
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90 | this.currentFile = this.files[index];
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91 | if (this.currentFile.isDirectory()) {
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92 | this.textView.setCompoundDrawablesWithIntrinsicBounds(0,
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93 | R.drawable.ic_menu_archive, 0, 0);
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94 | } else {
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95 | this.textView.setCompoundDrawablesWithIntrinsicBounds(0,
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96 | R.drawable.ic_menu_mapmode, 0, 0);
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97 | }
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98 | this.textView.setText(this.currentFile.getName());
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99 | }
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100 | return this.textView;
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101 | }
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102 |
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103 | /**
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104 | * Call this method to change the data of the adapter.
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105 | *
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106 | * @param newFiles
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107 | * the new files for this adapter.
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108 | * @param newHasParentFolder
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109 | * true if the files array has a parent folder at index 0, false otherwise.
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110 | */
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111 | void updateFiles(File[] newFiles, boolean newHasParentFolder) {
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112 | this.files = newFiles;
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113 | this.hasParentFolder = newHasParentFolder;
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114 | }
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115 | } |
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