Mercurial Repositories > eric / file comparison
comparison: src/eric7/Preferences/ThemeManager.py
src/eric7/Preferences/ThemeManager.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2021 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a manager object for color themes. | |
| 8 """ | |
| 9 | |
| 10 import json | |
| 11 import os | |
| 12 import re | |
| 13 | |
| 14 from PyQt6.QtCore import QObject | |
| 15 | |
| 16 from EricWidgets import EricMessageBox, EricFileDialog | |
| 17 | |
| 18 import Globals | |
| 19 import Preferences | |
| 20 | |
| 21 from eric7config import getConfig | |
| 22 | |
| 23 | |
| 24 class ThemeManager(QObject): | |
| 25 """ | |
| 26 Class implementing a manager object for color themes. | |
| 27 """ | |
| 28 ColorKeyPatternList = [ | |
| 29 "Diff/.*Color", | |
| 30 "Editor/Colour/", | |
| 31 "IRC/.*Colou?r", | |
| 32 "Project/Colour", | |
| 33 "Python/.*Color", | |
| 34 "Scintilla/.*color", | |
| 35 "Scintilla/.*paper", | |
| 36 "Tasks/.*Color", | |
| 37 "WebBrowser/.*Colou?r", | |
| 38 ] | |
| 39 ColorKeyList = [ | |
| 40 "Debugger/BgColorChanged", | |
| 41 "Debugger/BgColorNew", | |
| 42 "UI/IconBarColor", | |
| 43 "UI/LogStdErrColour", | |
| 44 "UI/NotificationCriticalBackground", | |
| 45 "UI/NotificationCriticalForeground", | |
| 46 "UI/NotificationWarningBackground", | |
| 47 "UI/NotificationWarningForeground", | |
| 48 ] | |
| 49 | |
| 50 def __init__(self: "ThemeManager", parent: QObject = None): | |
| 51 """ | |
| 52 Constructor | |
| 53 | |
| 54 @param parent reference to the parent object (defaults to None) | |
| 55 @type QObject (optional) | |
| 56 """ | |
| 57 super().__init__(parent) | |
| 58 | |
| 59 def importTheme(self: "ThemeManager") -> bool: | |
| 60 """ | |
| 61 Public method to import a theme file and set the colors. | |
| 62 | |
| 63 @return flag indicating a successful import | |
| 64 @rtype bool | |
| 65 """ | |
| 66 filename = EricFileDialog.getOpenFileName( | |
| 67 None, | |
| 68 self.tr("Import Theme"), | |
| 69 getConfig("ericThemesDir"), | |
| 70 self.tr("eric Theme Files (*.ethj);;All Files (*)") | |
| 71 ) | |
| 72 if filename: | |
| 73 try: | |
| 74 with open(filename, "r") as f: | |
| 75 jsonString = f.read() | |
| 76 themeDict = json.loads(jsonString) | |
| 77 except (TypeError, OSError) as err: | |
| 78 EricMessageBox.critical( | |
| 79 None, | |
| 80 self.tr("Import Theme"), | |
| 81 self.tr( | |
| 82 "<p>The theme file <b>{0}</b> could not" | |
| 83 " be read.</p><p>Reason: {1}</p>" | |
| 84 ).format(filename, str(err)) | |
| 85 ) | |
| 86 return False | |
| 87 | |
| 88 # step 1: process stylesheet data | |
| 89 stylesheetDict = themeDict["stylesheet"] | |
| 90 if stylesheetDict["name"]: | |
| 91 stylesheetsDir = os.path.join( | |
| 92 Globals.getConfigDir(), "stylesheets") | |
| 93 if not os.path.exists(stylesheetsDir): | |
| 94 os.makedirs(stylesheetsDir) | |
| 95 stylesheetFile = os.path.join( | |
| 96 stylesheetsDir, stylesheetDict["name"]) | |
| 97 ok = EricMessageBox.yesNo( | |
| 98 None, | |
| 99 self.tr("Import Theme"), | |
| 100 self.tr( | |
| 101 "The stylesheet file {0} exists already." | |
| 102 " Shall it be overwritten?" | |
| 103 ).format(stylesheetDict["name"]) | |
| 104 ) if os.path.exists(stylesheetFile) else True | |
| 105 if ok: | |
| 106 try: | |
| 107 with open(stylesheetFile, "w") as f: | |
| 108 f.write(stylesheetDict["contents"]) | |
| 109 except OSError as err: | |
| 110 EricMessageBox.critical( | |
| 111 None, | |
| 112 self.tr("Import Theme"), | |
| 113 self.tr( | |
| 114 "<p>The stylesheet file <b>{0}</b> could" | |
| 115 " not be written.</p><p>Reason: {1}</p>" | |
| 116 ).format(stylesheetFile, str(err)) | |
| 117 ) | |
| 118 stylesheetFile = "" | |
| 119 Preferences.setUI("StyleSheet", stylesheetFile) | |
| 120 | |
| 121 # step 2: transfer the color entries | |
| 122 settings = Preferences.getSettings() | |
| 123 colorsDict = themeDict["colors"] | |
| 124 for key, value in colorsDict.items(): | |
| 125 settings.setValue(key, value) | |
| 126 | |
| 127 Preferences.syncPreferences() | |
| 128 return True | |
| 129 | |
| 130 return False | |
| 131 | |
| 132 def exportTheme(self: "ThemeManager"): | |
| 133 """ | |
| 134 Public method to export the current colors to a theme file. | |
| 135 """ | |
| 136 filename, selectedFilter = EricFileDialog.getSaveFileNameAndFilter( | |
| 137 None, | |
| 138 self.tr("Export Theme"), | |
| 139 os.path.expanduser("~"), | |
| 140 self.tr("eric Theme Files (*.ethj)"), | |
| 141 "", | |
| 142 EricFileDialog.DontConfirmOverwrite | |
| 143 ) | |
| 144 if filename: | |
| 145 ext = os.path.splitext(filename)[1] | |
| 146 if not ext: | |
| 147 filename = "{0}{1}".format( | |
| 148 filename, | |
| 149 selectedFilter.rsplit(None, 1)[-1][2:-1]) | |
| 150 | |
| 151 ok = ( | |
| 152 EricMessageBox.yesNo( | |
| 153 None, | |
| 154 self.tr("Export Theme"), | |
| 155 self.tr( | |
| 156 """<p>The theme file <b>{0}</b> exists""" | |
| 157 """ already. Overwrite it?</p>""").format(filename)) | |
| 158 if os.path.exists(filename) else | |
| 159 True | |
| 160 ) | |
| 161 | |
| 162 if ok: | |
| 163 # step 1: generate a dictionary with all color settings | |
| 164 settings = Preferences.getSettings() | |
| 165 colorKeyFilterRe = re.compile("|".join( | |
| 166 ThemeManager.ColorKeyPatternList + | |
| 167 ThemeManager.ColorKeyList | |
| 168 )) | |
| 169 | |
| 170 keys = [k for k in settings.allKeys() | |
| 171 if colorKeyFilterRe.match(k)] | |
| 172 colorsDict = {} | |
| 173 for key in keys: | |
| 174 colorsDict[key] = settings.value(key) | |
| 175 | |
| 176 # step 2: read the contents of the current stylesheet | |
| 177 stylesheetDict = { | |
| 178 "contents": "", | |
| 179 "name": "" | |
| 180 } | |
| 181 stylesheet = Preferences.getUI("StyleSheet") | |
| 182 if stylesheet and os.path.exists(stylesheet): | |
| 183 try: | |
| 184 with open(stylesheet, "r") as f: | |
| 185 stylesheetDict["contents"] = f.read() | |
| 186 stylesheetDict["name"] = os.path.basename(stylesheet) | |
| 187 except OSError as err: | |
| 188 EricMessageBox.critical( | |
| 189 None, | |
| 190 self.tr("Export Theme"), | |
| 191 self.tr( | |
| 192 "<p>The stylesheet file <b>{0}</b> could not" | |
| 193 " be read.</p><p>Reason: {1}</p>" | |
| 194 ).format(stylesheet, str(err)) | |
| 195 ) | |
| 196 | |
| 197 themeDict = { | |
| 198 "colors": colorsDict, | |
| 199 "stylesheet": stylesheetDict, | |
| 200 } | |
| 201 | |
| 202 try: | |
| 203 jsonString = json.dumps(themeDict, indent=2) | |
| 204 with open(filename, "w") as f: | |
| 205 f.write(jsonString) | |
| 206 except (TypeError, OSError) as err: | |
| 207 EricMessageBox.critical( | |
| 208 None, | |
| 209 self.tr("Export Theme"), | |
| 210 self.tr( | |
| 211 "<p>The theme file <b>{0}</b> could not" | |
| 212 " be written.</p><p>Reason: {1}</p>" | |
| 213 ).format(filename, str(err)) | |
| 214 ) |
