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annotate mde/gui/widget/contentFunctions.d @ 138:3468e9bfded1

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Popup widgets: are simpler to use and can show content fields like DisplayContentWidget.
author Diggory Hardy <diggory.hardy@gmail.com>
date Sat, 07 Feb 2009 13:28:52 +0000
parents 9f035cd139c6
children 2ac3e0012788
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9cff74f68b84 Major revisions to popup handling. Buttons can close menus now, plus some smaller impovements. Removed Widget module.
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the 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 /******************************************************************************
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17 * Functions returning new content widgets dependant on content.
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18 *****************************************************************************/
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19 module mde.gui.widget.contentFunctions;
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20
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21 import mde.gui.exception;
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22 import mde.gui.widget.Ifaces;
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23 import mde.gui.widget.TextWidget;
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24 import mde.gui.widget.layout;
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25 import mde.gui.widget.PopupMenu;
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26 import mde.gui.widget.miscContent;
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27
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28 import mde.content.AStringContent;
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29
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30 /******************************************************************************
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31 * A function which uses Items.get (data.strings[0]) to get a content and
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32 * creates a widget from data.ints[1]. The first item in each ints and strings
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33 * is removed before passing data to the new widget.
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34 *****************************************************************************/
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35 IChildWidget addContent (IWidgetManager mgr, IParentWidget parent, widgetID, WidgetData data, IContent) {
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36 if (data.strings.length != 2) throw new WidgetDataException;
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37 return mgr.makeWidget (parent, data.strings[1], Content.get (data.strings[0]));
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38 }
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40 /******************************************************************************
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41 * A function which returns the most appropriate content editing widget.
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42 *
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43 * Widgets which can be returned: BoolContentWidget (toggle button),
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44 * ValueContentWidget (generic text-box editor), DisplayContentWidget (generic
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45 * text label).
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46 *****************************************************************************/
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47 IChildWidget editContent (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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48 // Note: SAFE_RECURSION enabled
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49 if (c is null) throw new ContentException;
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50 if (cast(AStringContent) c) {
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51 if (cast(EnumContent) c) // can be PopupMenuWidget or ContentListWidget
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52 return new PopupMenuWidget(mgr,parent,id,data,c);
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53 if (cast(BoolContent) c)
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54 return new BoolContentWidget(mgr,parent,id,data,c);
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55 return new AStringContentWidget(mgr,parent,id,data,c);
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56 }
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57 if (cast(IContentList) c)
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58 return new ContentListWidget(mgr,parent,id,data,c);
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59 // Normally only EventContents are used for buttons, but any Content can be:
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60 if (cast(Content) c)
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61 return new ButtonContentWidget(mgr,parent,id,data,c);
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62 // generic uneditable option
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63 return new DisplayContentWidget(mgr,parent,id,data,c);
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64 }
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65
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66 /******************************************************************************
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67 * PopupMenuContent will create a popup for any content. This function more
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68 * conservatively only creates a popup for a ContentList, and otherwise returns
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69 * the same as editContent.
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70 *****************************************************************************/
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71 IChildWidget popupListContent (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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72 if (c is null) throw new ContentException;
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73 if (cast(IContentList) c)
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74 return new PopupMenuWidget(mgr,parent,id,data,c);
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75 else return editContent (mgr, parent, id, data, c);
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76 }