eric6/QScintilla/ShellHistoryDialog.py

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7229
53054eb5b15a
equal deleted inserted replaced
6941:f99d60d6b59b 6942:2602857055c5
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2008 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing the shell history dialog.
8 """
9
10 from __future__ import unicode_literals
11
12 import os
13
14 from PyQt5.QtCore import pyqtSlot, Qt, QItemSelectionModel
15 from PyQt5.QtWidgets import QListWidgetItem, QDialog
16
17 from .Ui_ShellHistoryDialog import Ui_ShellHistoryDialog
18
19
20 class ShellHistoryDialog(QDialog, Ui_ShellHistoryDialog):
21 """
22 Class implementing the shell history dialog.
23 """
24 def __init__(self, history, vm, shell):
25 """
26 Constructor
27
28 @param history reference to the current shell history
29 @type list of str
30 @param vm reference to the viewmanager object
31 @type ViewManager
32 @param shell reference to the shell object
33 @type Shell
34 """
35 super(ShellHistoryDialog, self).__init__(shell)
36 self.setupUi(self)
37
38 self.__vm = vm
39 self.__shell = shell
40
41 self.historyList.addItems(history)
42 index = shell.getHistoryIndex()
43 if index < 0 or index >= len(history):
44 self.historyList.setCurrentRow(
45 self.historyList.count() - 1, QItemSelectionModel.Select)
46 else:
47 self.historyList.setCurrentRow(index, QItemSelectionModel.Select)
48 self.historyList.scrollToItem(self.historyList.currentItem())
49
50 @pyqtSlot()
51 def on_historyList_itemSelectionChanged(self):
52 """
53 Private slot to handle a change of the selection.
54 """
55 selected = len(self.historyList.selectedItems()) > 0
56 self.copyButton.setEnabled(selected and
57 self.__vm.activeWindow() is not None)
58 self.deleteButton.setEnabled(selected)
59 self.executeButton.setEnabled(selected)
60
61 @pyqtSlot(QListWidgetItem)
62 def on_historyList_itemDoubleClicked(self, item):
63 """
64 Private slot to handle a double click of an item.
65
66 @param item reference to the item that was double clicked
67 (QListWidgetItem)
68 """
69 self.on_executeButton_clicked()
70
71 @pyqtSlot()
72 def on_deleteButton_clicked(self):
73 """
74 Private slot to delete the selected entries from the history.
75 """
76 for itm in self.historyList.selectedItems():
77 ditm = self.historyList.takeItem(self.historyList.row(itm))
78 del ditm
79 self.historyList.scrollToItem(self.historyList.currentItem())
80 self.historyList.setFocus()
81
82 @pyqtSlot()
83 def on_copyButton_clicked(self):
84 """
85 Private slot to copy the selected entries to the current editor.
86 """
87 aw = self.__vm.activeWindow()
88 if aw is not None:
89 lines = []
90 for index in range(self.historyList.count()):
91 # selectedItems() doesn't seem to preserve the order
92 itm = self.historyList.item(index)
93 if itm.isSelected():
94 lines.append(itm.text())
95 eol = aw.getLineSeparator()
96 txt = eol.join(lines) + eol
97 aw.insert(txt)
98 self.historyList.setFocus()
99
100 @pyqtSlot()
101 def on_executeButton_clicked(self):
102 """
103 Private slot to execute the selected entries in the shell.
104 """
105 lines = []
106 for index in range(self.historyList.count()):
107 # selectedItems() doesn't seem to preserve the order
108 itm = self.historyList.item(index)
109 if itm.isSelected():
110 lines.append(itm.text())
111 cmds = os.linesep.join(lines) + os.linesep
112 self.__shell.executeLines(
113 cmds,
114 historyIndex=self.historyList.currentRow())
115
116 # reload the list because shell modified it
117 self.on_reloadButton_clicked()
118
119 @pyqtSlot()
120 def on_reloadButton_clicked(self):
121 """
122 Private slot to reload the history.
123 """
124 history = self.__shell.getHistory(None)
125 index = self.__shell.getHistoryIndex()
126
127 self.historyList.clear()
128 self.historyList.addItems(history)
129 if index < 0 or index >= len(history):
130 self.historyList.setCurrentRow(
131 self.historyList.count() - 1, QItemSelectionModel.Select)
132 else:
133 self.historyList.setCurrentRow(index, QItemSelectionModel.Select)
134 self.historyList.scrollToItem(self.historyList.currentItem())
135
136 self.historyList.setFocus(Qt.OtherFocusReason)
137
138 def getHistory(self):
139 """
140 Public method to retrieve the history from the dialog.
141
142 @return tuple containing the list of history entries and the
143 current row
144 @rtype tuple of (list of str, int)
145 """
146 history = []
147 for index in range(self.historyList.count()):
148 history.append(self.historyList.item(index).text())
149 return history, self.historyList.currentRow()

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