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1 | package be.nikiroo.jvcard.tui.panes; |
2 | ||
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3 | import java.util.LinkedList; |
4 | import java.util.List; | |
5 | ||
296a0b75 | 6 | import be.nikiroo.jvcard.i18n.Trans.StringId; |
668268fc | 7 | import be.nikiroo.jvcard.tui.Main; |
296a0b75 | 8 | import be.nikiroo.jvcard.tui.StringUtils; |
fae07ea7 | 9 | import be.nikiroo.jvcard.tui.UiColors; |
9c8baf0c | 10 | import be.nikiroo.jvcard.tui.UiColors.Element; |
fae07ea7 | 11 | |
9c8baf0c | 12 | import com.googlecode.lanterna.TextColor; |
296a0b75 | 13 | import com.googlecode.lanterna.gui2.AbstractListBox.ListItemRenderer; |
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14 | import com.googlecode.lanterna.gui2.ActionListBox; |
15 | import com.googlecode.lanterna.gui2.Direction; | |
16 | import com.googlecode.lanterna.gui2.LinearLayout; | |
17 | import com.googlecode.lanterna.gui2.TextGUIGraphics; | |
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18 | |
19 | abstract public class MainContentList extends MainContent implements Runnable { | |
20 | private ActionListBox lines; | |
21 | ||
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22 | /** |
23 | * This class represent a part of a text line to draw in this | |
24 | * {@link MainContentList}. | |
25 | * | |
26 | * @author niki | |
27 | * | |
28 | */ | |
0b0b2b0f | 29 | public class TextPart { |
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30 | private String text; |
31 | private Element element; | |
32 | ||
33 | public TextPart(String text, Element element) { | |
34 | this.text = text; | |
35 | this.element = element; | |
36 | } | |
37 | ||
38 | public String getText() { | |
39 | return text; | |
40 | } | |
41 | ||
42 | public Element getElement() { | |
43 | return element; | |
44 | } | |
45 | ||
46 | public TextColor getForegroundColor() { | |
47 | if (element != null) | |
48 | return element.getForegroundColor(); | |
49 | return Element.DEFAULT.getForegroundColor(); | |
50 | } | |
51 | ||
52 | public TextColor getBackgroundColor() { | |
53 | if (element != null) | |
54 | return element.getBackgroundColor(); | |
55 | return Element.DEFAULT.getBackgroundColor(); | |
56 | } | |
57 | } | |
58 | ||
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59 | public MainContentList(final UiColors.Element normalStyle, |
60 | final UiColors.Element selectedStyle) { | |
61 | super(Direction.VERTICAL); | |
62 | ||
63 | lines = new ActionListBox(); | |
64 | ||
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65 | lines.setListItemRenderer(new ListItemRenderer<Runnable, ActionListBox>() { |
66 | /** | |
67 | * This is the main drawing method for a single list box item, it | |
68 | * applies the current theme to setup the colors and then calls | |
69 | * {@code getLabel(..)} and draws the result using the supplied | |
70 | * {@code TextGUIGraphics}. The graphics object is created just for | |
71 | * this item and is restricted so that it can only draw on the area | |
72 | * this item is occupying. The top-left corner (0x0) should be the | |
73 | * starting point when drawing the item. | |
74 | * | |
75 | * @param graphics | |
76 | * Graphics object to draw with | |
77 | * @param listBox | |
78 | * List box we are drawing an item from | |
79 | * @param index | |
80 | * Index of the item we are drawing | |
81 | * @param item | |
82 | * The item we are drawing | |
83 | * @param selected | |
84 | * Will be set to {@code true} if the item is currently | |
85 | * selected, otherwise {@code false}, but please notice | |
86 | * what context 'selected' refers to here (see | |
87 | * {@code setSelectedIndex}) | |
88 | * @param focused | |
89 | * Will be set to {@code true} if the list box currently | |
90 | * has input focus, otherwise {@code false} | |
91 | */ | |
92 | public void drawItem(TextGUIGraphics graphics, | |
93 | ActionListBox listBox, int index, Runnable item, | |
94 | boolean selected, boolean focused) { | |
95 | ||
96 | // width "-1" to reserve space for the optional vertical | |
97 | // scroll bar | |
98 | List<TextPart> parts = MainContentList.this.getLabel(index, | |
99 | lines.getSize().getColumns() - 1, selected, focused); | |
100 | ||
101 | int position = 0; | |
102 | for (TextPart part : parts) { | |
103 | graphics.setForegroundColor(part.getForegroundColor()); | |
104 | graphics.setBackgroundColor(part.getBackgroundColor()); | |
105 | ||
106 | String label = StringUtils.sanitize(part.getText(), | |
107 | UiColors.getInstance().isUnicode()); | |
108 | ||
109 | graphics.putString(position, 0, label); | |
110 | position += label.length(); | |
111 | } | |
112 | } | |
113 | }); | |
114 | ||
115 | addComponent(lines, | |
116 | LinearLayout.createLayoutData(LinearLayout.Alignment.Fill)); | |
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117 | } |
118 | ||
119 | /** | |
120 | * Add an item to this {@link MainContentList}. | |
121 | * | |
122 | * @param line | |
123 | * the item to add | |
124 | */ | |
125 | public void addItem(String line) { | |
126 | lines.addItem(line, this); | |
127 | } | |
9c8baf0c | 128 | |
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129 | /** |
130 | * Clear all the items in this {@link MainContentList} | |
131 | */ | |
132 | public void clearItems() { | |
133 | lines.clearItems(); | |
134 | } | |
135 | ||
136 | /** | |
137 | * Get the index of the currently selected line. | |
138 | * | |
139 | * @return the index | |
140 | */ | |
141 | public int getSelectedIndex() { | |
142 | return lines.getSelectedIndex(); | |
143 | } | |
144 | ||
145 | /** | |
146 | * Change the index of the currently selected line. | |
147 | * | |
148 | * @param index | |
149 | * the new index | |
150 | */ | |
151 | public void setSelectedIndex(int index) { | |
152 | lines.setSelectedIndex(index); | |
153 | } | |
296a0b75 | 154 | |
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155 | /** |
156 | * Return the default content separator for text fields. | |
157 | * | |
158 | * @return the separator | |
159 | */ | |
160 | public String getSeparator() { | |
668268fc | 161 | return Main.trans(StringId.DEAULT_FIELD_SEPARATOR); |
bcb54330 | 162 | } |
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163 | |
164 | @Override | |
165 | public void run() { | |
166 | // item selected. | |
167 | // ignore. | |
168 | } | |
169 | ||
170 | @Override | |
171 | public String move(int x, int y) { | |
172 | setSelectedIndex(getSelectedIndex() + x); | |
173 | // TODO: y? | |
174 | return null; | |
175 | } | |
176 | ||
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177 | @Override |
178 | public int getCount() { | |
179 | return lines.getItemCount(); | |
180 | } | |
181 | ||
fae07ea7 | 182 | /** |
9c8baf0c | 183 | * Return the representation of the selected line, in {@link TextPart}s. |
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184 | * |
185 | * @param index | |
186 | * the line index | |
187 | * @param width | |
188 | * the max width of the line | |
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189 | * @param selected |
190 | * TRUE if the item is selected | |
191 | * @param focused | |
192 | * TRUE if the item is focused | |
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193 | * |
194 | * @return the text representation | |
195 | */ | |
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196 | protected List<TextPart> getLabel(int index, int width, boolean selected, |
197 | boolean focused) { | |
198 | List<TextPart> parts = new LinkedList<TextPart>(); | |
199 | ||
200 | if (selected && focused) { | |
201 | parts.add(new TextPart("" + lines.getItems().get(index), | |
202 | Element.CONTACT_LINE_SELECTED)); | |
203 | } else { | |
204 | parts.add(new TextPart("" + lines.getItems().get(index), | |
205 | Element.CONTACT_LINE)); | |
206 | } | |
207 | ||
208 | return parts; | |
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209 | } |
210 | } |