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comparison: Preferences/ConfigurationPages/EditorHighlightersPage.py

Preferences/ConfigurationPages/EditorHighlightersPage.py

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1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2006 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing the Editor Highlighter Associations configuration page.
8 """
9
10 import os
11
12 from pygments.lexers import get_all_lexers
13
14 from PyQt4.QtCore import Qt, pyqtSlot
15 from PyQt4.QtGui import QHeaderView, QTreeWidgetItem
16
17 from ConfigurationPageBase import ConfigurationPageBase
18 from Ui_EditorHighlightersPage import Ui_EditorHighlightersPage
19
20 import Preferences
21
22 class EditorHighlightersPage(ConfigurationPageBase, Ui_EditorHighlightersPage):
23 """
24 Class implementing the Editor Highlighter Associations configuration page.
25 """
26 def __init__(self, lexers):
27 """
28 Constructor
29
30 @param lexers reference to the lexers dictionary
31 """
32 ConfigurationPageBase.__init__(self)
33 self.setupUi(self)
34 self.setObjectName("EditorHighlightersPage")
35
36 self.editorLexerList.headerItem().setText(self.editorLexerList.columnCount(), "")
37 header = self.editorLexerList.header()
38 header.setResizeMode(QHeaderView.ResizeToContents)
39 header.setSortIndicator(0, Qt.AscendingOrder)
40
41 try:
42 self.extsep = os.extsep
43 except AttributeError:
44 self.extsep = "."
45
46 self.extras = ["-----------", self.trUtf8("Alternative")]
47 languages = [''] + sorted(lexers.keys()) + self.extras
48 self.editorLexerCombo.addItems(languages)
49
50 pygmentsLexers = [''] + sorted([l[0] for l in get_all_lexers()])
51 self.pygmentsLexerCombo.addItems(pygmentsLexers)
52
53 # set initial values
54 lexerAssocs = Preferences.getEditorLexerAssocs()
55 for ext in lexerAssocs:
56 QTreeWidgetItem(self.editorLexerList, [ext, lexerAssocs[ext]])
57 self.editorLexerList.sortByColumn(0, Qt.AscendingOrder)
58
59 def save(self):
60 """
61 Public slot to save the Editor Highlighter Associations configuration.
62 """
63 lexerAssocs = {}
64 for index in range(\
65 self.editorLexerList.topLevelItemCount()):
66 itm = self.editorLexerList.topLevelItem(index)
67 lexerAssocs[itm.text(0)] = itm.text(1)
68 Preferences.setEditorLexerAssocs(lexerAssocs)
69
70 @pyqtSlot()
71 def on_addLexerButton_clicked(self):
72 """
73 Private slot to add the lexer association displayed to the list.
74 """
75 ext = self.editorFileExtEdit.text()
76 if ext.startswith(self.extsep):
77 ext.replace(self.extsep, "")
78 lexer = self.editorLexerCombo.currentText()
79 if lexer in self.extras:
80 pygmentsLexer = self.pygmentsLexerCombo.currentText()
81 if not pygmentsLexer:
82 lexer = pygmentsLexer
83 else:
84 lexer = "Pygments|{0}".format(pygmentsLexer)
85 if ext and lexer:
86 itmList = self.editorLexerList.findItems(\
87 ext, Qt.MatchFlags(Qt.MatchExactly), 0)
88 if itmList:
89 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
90 itm = self.editorLexerList.takeTopLevelItem(index)
91 del itm
92 itm = QTreeWidgetItem(self.editorLexerList, [ext, lexer])
93 self.editorFileExtEdit.clear()
94 self.editorLexerCombo.setCurrentIndex(0)
95 self.pygmentsLexerCombo.setCurrentIndex(0)
96 self.editorLexerList.sortItems(self.editorLexerList.sortColumn(),
97 self.editorLexerList.header().sortIndicatorOrder())
98
99 @pyqtSlot()
100 def on_deleteLexerButton_clicked(self):
101 """
102 Private slot to delete the currently selected lexer association of the list.
103 """
104 itmList = self.editorLexerList.selectedItems()
105 if itmList:
106 index = self.editorLexerList.indexOfTopLevelItem(itmList[0])
107 itm = self.editorLexerList.takeTopLevelItem(index)
108 del itm
109
110 self.editorLexerList.clearSelection()
111 self.editorFileExtEdit.clear()
112 self.editorLexerCombo.setCurrentIndex(0)
113
114 def on_editorLexerList_itemClicked(self, itm, column):
115 """
116 Private slot to handle the clicked signal of the lexer association list.
117
118 @param itm reference to the selecte item (QTreeWidgetItem)
119 @param column column the item was clicked or activated (integer) (ignored)
120 """
121 if itm is None:
122 self.editorFileExtEdit.clear()
123 self.editorLexerCombo.setCurrentIndex(0)
124 self.pygmentsLexerCombo.setCurrentIndex(0)
125 else:
126 self.editorFileExtEdit.setText(itm.text(0))
127 lexer = itm.text(1)
128 if lexer.startswith("Pygments|"):
129 pygmentsLexer = lexer.split("|")[1]
130 pygmentsIndex = self.pygmentsLexerCombo.findText(pygmentsLexer)
131 lexer = self.trUtf8("Alternative")
132 else:
133 pygmentsIndex = 0
134 index = self.editorLexerCombo.findText(lexer)
135 self.editorLexerCombo.setCurrentIndex(index)
136 self.pygmentsLexerCombo.setCurrentIndex(pygmentsIndex)
137
138 def on_editorLexerList_itemActivated(self, itm, column):
139 """
140 Private slot to handle the activated signal of the lexer association list.
141
142 @param itm reference to the selecte item (QTreeWidgetItem)
143 @param column column the item was clicked or activated (integer) (ignored)
144 """
145 self.on_editorLexerList_itemClicked(itm, column)
146
147 @pyqtSlot(str)
148 def on_editorLexerCombo_currentIndexChanged(self, text):
149 """
150 Private slot to handle the selection of a lexer.
151 """
152 if text in self.extras:
153 self.pygmentsLexerCombo.setEnabled(True)
154 self.pygmentsLabel.setEnabled(True)
155 else:
156 self.pygmentsLexerCombo.setEnabled(False)
157 self.pygmentsLabel.setEnabled(False)
158
159 def create(dlg):
160 """
161 Module function to create the configuration page.
162
163 @param dlg reference to the configuration dialog
164 """
165 page = EditorHighlightersPage(dlg.getLexers())
166 return page

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