find_replace_dialog.rb in cosmos-3.5.1

- old
+ new
@@ -1,260 +1,260 @@
-# encoding: ascii-8bit
-
-# Copyright 2014 Ball Aerospace & Technologies Corp.
-# All Rights Reserved.
-#
-# This program is free software; you can modify and/or redistribute it
-# under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 3 with
-# attribution addendums as found in the LICENSE.txt
-
-require 'cosmos'
-require 'cosmos/gui/qt'
-require 'singleton'
-
-module Cosmos
-  # Provides a Qt::Dialog which implements Find and optionally Replace
-  # functionality for a Qt::PlainTextEdit.
-  class FindReplaceDialog < Qt::Dialog
-    include Singleton
-
-    # Displays a Find dialog
-    # @param text [Qt::PlainTextEdit] Dialog parent
-    def self.show_find(text)
-      self.instance.show_find(text)
-    end
-    def show_find(text)
-      disable_replace
-      show_dialog(text)
-    end
-
-    # Displays a Find/Replace dialog
-    # @param text [Qt::PlainTextEdit] Dialog parent
-    def self.show_replace(text)
-      self.instance.show_replace(text)
-    end
-    def show_replace(text)
-      enable_replace
-      show_dialog(text)
-    end
-
-    # @param text [Qt::PlainTextEdit] Text widget to search
-    def self.find_next(text)
-      self.instance.find_next(text)
-    end
-    def find_next(text)
-      flags = find_flags()
-      flags &= ~Qt::TextDocument::FindBackward.to_i
-      found = text.find(find_text(), flags)
-      if not found and wrap_around?
-        cursor = text.textCursor
-        cursor.movePosition(Qt::TextCursor::Start)
-        text.setTextCursor(cursor)
-        text.find(find_text(), flags)
-      end
-    end
-
-    # @param text [Qt::PlainTextEdit] Text widget to search
-    def self.find_previous(text)
-      self.instance.find_previous(text)
-    end
-    def find_previous(text)
-      flags = find_flags()
-      flags |= Qt::TextDocument::FindBackward.to_i
-      found = text.find(find_text(), flags)
-      if not found and wrap_around?
-        cursor = text.textCursor
-        cursor.movePosition(Qt::TextCursor::End)
-        text.setTextCursor(cursor)
-        text.find(find_text(), flags)
-      end
-    end
-
-    private
-
-    def initialize
-      # The dialog will be re-parented when shown so pass nil
-      super(nil, Qt::WindowTitleHint | Qt::WindowSystemMenuHint)
-      # Items which are only valid in a Replace dialog
-      @replace_items = []
-
-      layout = Qt::HBoxLayout.new
-      left_side = Qt::VBoxLayout.new
-      left_side.addLayout(create_input_layout)
-      left_side.addLayout(create_options_layout)
-      layout.addLayout(left_side)
-      layout.addLayout(create_button_layout)
-
-      setLayout(layout)
-    end
-
-    def create_input_layout
-      input_layout = Qt::FormLayout.new
-      @find_box = Qt::LineEdit.new
-      input_layout.addRow(tr("Fi&nd what:"), @find_box)
-      @replace_box = Qt::LineEdit.new
-      replace_label = Qt::Label.new(tr("Re&place with:"))
-      replace_label.setBuddy(@replace_box)
-      @replace_items << replace_label
-      input_layout.addRow(replace_label, @replace_box)
-      @replace_items << @replace_box
-      input_layout
-    end
-
-    def create_options_layout
-      options_layout = Qt::HBoxLayout.new
-      options_layout.addLayout(create_checkbox_layout)
-      options_layout.addWidget(create_direction_widget)
-      options_layout
-    end
-
-    def create_checkbox_layout
-      checkbox_layout = Qt::VBoxLayout.new
-      @match_whole_word = Qt::CheckBox.new("Match &whole word only")
-      checkbox_layout.addWidget(@match_whole_word)
-      @match_case = Qt::CheckBox.new("Match &case")
-      checkbox_layout.addWidget(@match_case)
-      @wrap_around = Qt::CheckBox.new("Wrap ar&ound")
-      @wrap_around.setChecked(true)
-      checkbox_layout.addWidget(@wrap_around)
-      checkbox_layout.addStretch
-      checkbox_layout
-    end
-
-    def create_direction_widget
-      @up = Qt::RadioButton.new("&Up")
-      down = Qt::RadioButton.new("&Down")
-      down.setChecked(true)
-      direction_layout = Qt::VBoxLayout.new
-      direction_layout.addWidget(@up)
-      direction_layout.addWidget(down)
-      direction_layout.addStretch
-      direction = Qt::GroupBox.new(tr("Direction"))
-      direction.setLayout(direction_layout)
-      direction
-    end
-
-    def create_button_layout
-      find_next = Qt::PushButton.new("&Find Next")
-      find_next.setDefault(true)
-      find_next.connect(SIGNAL('clicked()')) { handle_find_next }
-      cancel = Qt::PushButton.new("Cancel")
-      cancel.connect(SIGNAL('clicked()')) { reject }
-      replace = Qt::PushButton.new("&Replace")
-      replace.connect(SIGNAL('clicked()')) { handle_replace }
-      @replace_items << replace
-      replace_all = Qt::PushButton.new("Replace &All")
-      replace_all.connect(SIGNAL('clicked()')) { handle_replace_all }
-      @replace_items << replace_all
-
-      button_layout = Qt::VBoxLayout.new
-      button_layout.addWidget(find_next)
-      button_layout.addWidget(replace)
-      button_layout.addWidget(replace_all)
-      button_layout.addWidget(cancel)
-      button_layout.addStretch
-      button_layout
-    end
-
-    def show_dialog(text)
-      @find_box.selectAll
-      @find_box.setFocus(Qt::PopupFocusReason)
-      setParent(text, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | 3)
-      show()
-    end
-
-    def enable_replace
-      @replace_items.each {|item| item.show }
-      setWindowTitle('Replace')
-    end
-
-    def disable_replace
-      @replace_items.each {|item| item.hide }
-      setWindowTitle('Find')
-    end
-
-    def find_flags
-      flags = 0
-      flags |= Qt::TextDocument::FindBackward.to_i if @up.isChecked
-      flags |= Qt::TextDocument::FindCaseSensitively.to_i if @match_case.isChecked
-      flags |= Qt::TextDocument::FindWholeWords.to_i if @match_whole_word.isChecked
-      flags
-    end
-
-    def wrap_around?
-      @wrap_around.isChecked
-    end
-
-    def find_up?
-      @up.isChecked
-    end
-
-    def find_text
-      @find_box.text
-    end
-
-    def replace_text
-      @replace_box.text
-    end
-
-    def handle_find_next
-      text = parentWidget
-      found = text.find(find_text, find_flags)
-      if not found and wrap_around?
-        cursor = text.textCursor
-        if find_up?
-          cursor.movePosition(Qt::TextCursor::End)
-        else
-          cursor.movePosition(Qt::TextCursor::Start)
-        end
-        text.setTextCursor(cursor)
-        text.find(find_text, find_flags)
-      end
-    end
-
-    def handle_replace
-      text = parentWidget
-      if text.textCursor.hasSelection &&
-        text.textCursor.selectedText == find_text
-        found = true
-      else
-        found = text.find(find_text, find_flags)
-        if not found and wrap_around?
-          cursor = text.textCursor
-          if find_up?
-            cursor.movePosition(Qt::TextCursor::End)
-          else
-            cursor.movePosition(Qt::TextCursor::Start)
-          end
-          text.setTextCursor(cursor)
-          found = text.find(find_text, find_flags)
-        end
-      end
-      if found
-        text.textCursor.removeSelectedText
-        text.textCursor.insertText(replace_text)
-        cursor = text.textCursor
-        cursor.setPosition(cursor.position-1)
-        cursor.select(Qt::TextCursor::WordUnderCursor)
-        text.setTextCursor(cursor)
-      end
-    end
-
-    def handle_replace_all
-      text = parentWidget
-      cursor = text.textCursor
-      # Start the edit block so this can be all undone with a single undo step
-      cursor.beginEditBlock
-
-      cursor.movePosition(Qt::TextCursor::Start)
-      text.setTextCursor(cursor)
-
-      while (text.find(find_text, find_flags) == true)
-        text.textCursor.removeSelectedText
-        text.textCursor.insertText(replace_text)
-      end
-      cursor.endEditBlock
-    end
-
-  end # class FindReplaceDialog
-end # module Cosmos
+# encoding: ascii-8bit
+
+# Copyright 2014 Ball Aerospace & Technologies Corp.
+# All Rights Reserved.
+#
+# This program is free software; you can modify and/or redistribute it
+# under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 3 with
+# attribution addendums as found in the LICENSE.txt
+
+require 'cosmos'
+require 'cosmos/gui/qt'
+require 'singleton'
+
+module Cosmos
+  # Provides a Qt::Dialog which implements Find and optionally Replace
+  # functionality for a Qt::PlainTextEdit.
+  class FindReplaceDialog < Qt::Dialog
+    include Singleton
+
+    # Displays a Find dialog
+    # @param text [Qt::PlainTextEdit] Dialog parent
+    def self.show_find(text)
+      self.instance.show_find(text)
+    end
+    def show_find(text)
+      disable_replace
+      show_dialog(text)
+    end
+
+    # Displays a Find/Replace dialog
+    # @param text [Qt::PlainTextEdit] Dialog parent
+    def self.show_replace(text)
+      self.instance.show_replace(text)
+    end
+    def show_replace(text)
+      enable_replace
+      show_dialog(text)
+    end
+
+    # @param text [Qt::PlainTextEdit] Text widget to search
+    def self.find_next(text)
+      self.instance.find_next(text)
+    end
+    def find_next(text)
+      flags = find_flags()
+      flags &= ~Qt::TextDocument::FindBackward.to_i
+      found = text.find(find_text(), flags)
+      if not found and wrap_around?
+        cursor = text.textCursor
+        cursor.movePosition(Qt::TextCursor::Start)
+        text.setTextCursor(cursor)
+        text.find(find_text(), flags)
+      end
+    end
+
+    # @param text [Qt::PlainTextEdit] Text widget to search
+    def self.find_previous(text)
+      self.instance.find_previous(text)
+    end
+    def find_previous(text)
+      flags = find_flags()
+      flags |= Qt::TextDocument::FindBackward.to_i
+      found = text.find(find_text(), flags)
+      if not found and wrap_around?
+        cursor = text.textCursor
+        cursor.movePosition(Qt::TextCursor::End)
+        text.setTextCursor(cursor)
+        text.find(find_text(), flags)
+      end
+    end
+
+    private
+
+    def initialize
+      # The dialog will be re-parented when shown so pass nil
+      super(nil, Qt::WindowTitleHint | Qt::WindowSystemMenuHint)
+      # Items which are only valid in a Replace dialog
+      @replace_items = []
+
+      layout = Qt::HBoxLayout.new
+      left_side = Qt::VBoxLayout.new
+      left_side.addLayout(create_input_layout)
+      left_side.addLayout(create_options_layout)
+      layout.addLayout(left_side)
+      layout.addLayout(create_button_layout)
+
+      setLayout(layout)
+    end
+
+    def create_input_layout
+      input_layout = Qt::FormLayout.new
+      @find_box = Qt::LineEdit.new
+      input_layout.addRow(tr("Fi&nd what:"), @find_box)
+      @replace_box = Qt::LineEdit.new
+      replace_label = Qt::Label.new(tr("Re&place with:"))
+      replace_label.setBuddy(@replace_box)
+      @replace_items << replace_label
+      input_layout.addRow(replace_label, @replace_box)
+      @replace_items << @replace_box
+      input_layout
+    end
+
+    def create_options_layout
+      options_layout = Qt::HBoxLayout.new
+      options_layout.addLayout(create_checkbox_layout)
+      options_layout.addWidget(create_direction_widget)
+      options_layout
+    end
+
+    def create_checkbox_layout
+      checkbox_layout = Qt::VBoxLayout.new
+      @match_whole_word = Qt::CheckBox.new("Match &whole word only")
+      checkbox_layout.addWidget(@match_whole_word)
+      @match_case = Qt::CheckBox.new("Match &case")
+      checkbox_layout.addWidget(@match_case)
+      @wrap_around = Qt::CheckBox.new("Wrap ar&ound")
+      @wrap_around.setChecked(true)
+      checkbox_layout.addWidget(@wrap_around)
+      checkbox_layout.addStretch
+      checkbox_layout
+    end
+
+    def create_direction_widget
+      @up = Qt::RadioButton.new("&Up")
+      down = Qt::RadioButton.new("&Down")
+      down.setChecked(true)
+      direction_layout = Qt::VBoxLayout.new
+      direction_layout.addWidget(@up)
+      direction_layout.addWidget(down)
+      direction_layout.addStretch
+      direction = Qt::GroupBox.new(tr("Direction"))
+      direction.setLayout(direction_layout)
+      direction
+    end
+
+    def create_button_layout
+      find_next = Qt::PushButton.new("&Find Next")
+      find_next.setDefault(true)
+      find_next.connect(SIGNAL('clicked()')) { handle_find_next }
+      cancel = Qt::PushButton.new("Cancel")
+      cancel.connect(SIGNAL('clicked()')) { reject }
+      replace = Qt::PushButton.new("&Replace")
+      replace.connect(SIGNAL('clicked()')) { handle_replace }
+      @replace_items << replace
+      replace_all = Qt::PushButton.new("Replace &All")
+      replace_all.connect(SIGNAL('clicked()')) { handle_replace_all }
+      @replace_items << replace_all
+
+      button_layout = Qt::VBoxLayout.new
+      button_layout.addWidget(find_next)
+      button_layout.addWidget(replace)
+      button_layout.addWidget(replace_all)
+      button_layout.addWidget(cancel)
+      button_layout.addStretch
+      button_layout
+    end
+
+    def show_dialog(text)
+      @find_box.selectAll
+      @find_box.setFocus(Qt::PopupFocusReason)
+      setParent(text, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | 3)
+      show()
+    end
+
+    def enable_replace
+      @replace_items.each {|item| item.show }
+      setWindowTitle('Replace')
+    end
+
+    def disable_replace
+      @replace_items.each {|item| item.hide }
+      setWindowTitle('Find')
+    end
+
+    def find_flags
+      flags = 0
+      flags |= Qt::TextDocument::FindBackward.to_i if @up.isChecked
+      flags |= Qt::TextDocument::FindCaseSensitively.to_i if @match_case.isChecked
+      flags |= Qt::TextDocument::FindWholeWords.to_i if @match_whole_word.isChecked
+      flags
+    end
+
+    def wrap_around?
+      @wrap_around.isChecked
+    end
+
+    def find_up?
+      @up.isChecked
+    end
+
+    def find_text
+      @find_box.text
+    end
+
+    def replace_text
+      @replace_box.text
+    end
+
+    def handle_find_next
+      text = parentWidget
+      found = text.find(find_text, find_flags)
+      if not found and wrap_around?
+        cursor = text.textCursor
+        if find_up?
+          cursor.movePosition(Qt::TextCursor::End)
+        else
+          cursor.movePosition(Qt::TextCursor::Start)
+        end
+        text.setTextCursor(cursor)
+        text.find(find_text, find_flags)
+      end
+    end
+
+    def handle_replace
+      text = parentWidget
+      if text.textCursor.hasSelection &&
+        text.textCursor.selectedText == find_text
+        found = true
+      else
+        found = text.find(find_text, find_flags)
+        if not found and wrap_around?
+          cursor = text.textCursor
+          if find_up?
+            cursor.movePosition(Qt::TextCursor::End)
+          else
+            cursor.movePosition(Qt::TextCursor::Start)
+          end
+          text.setTextCursor(cursor)
+          found = text.find(find_text, find_flags)
+        end
+      end
+      if found
+        text.textCursor.removeSelectedText
+        text.textCursor.insertText(replace_text)
+        cursor = text.textCursor
+        cursor.setPosition(cursor.position-1)
+        cursor.select(Qt::TextCursor::WordUnderCursor)
+        text.setTextCursor(cursor)
+      end
+    end
+
+    def handle_replace_all
+      text = parentWidget
+      cursor = text.textCursor
+      # Start the edit block so this can be all undone with a single undo step
+      cursor.beginEditBlock
+
+      cursor.movePosition(Qt::TextCursor::Start)
+      text.setTextCursor(cursor)
+
+      while (text.find(find_text, find_flags) == true)
+        text.textCursor.removeSelectedText
+        text.textCursor.insertText(replace_text)
+      end
+      cursor.endEditBlock
+    end
+
+  end # class FindReplaceDialog
+end # module Cosmos