--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/QScintilla/MarkupProviders/ImageMarkupDialog.py Sun Jan 08 18:52:16 2017 +0100
@@ -0,0 +1,218 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2017 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to enter data for an image markup.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import pyqtSlot, QSize
+from PyQt5.QtGui import QImage, QImageReader
+from PyQt5.QtWidgets import QDialog, QDialogButtonBox
+
+from E5Gui.E5PathPicker import E5PathPickerModes
+
+from .Ui_ImageMarkupDialog import Ui_ImageMarkupDialog
+
+
+class ImageMarkupDialog(QDialog, Ui_ImageMarkupDialog):
+ """
+ Class implementing a dialog to enter data for an image markup.
+ """
+ HtmlMode = 0
+ MarkDownMode = 1
+ RestMode = 2
+
+ def __init__(self, mode, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget
+ @type QWidget
+ """
+ super(ImageMarkupDialog, self).__init__(parent)
+ self.setupUi(self)
+
+ if mode == ImageMarkupDialog.MarkDownMode:
+ self.sizeCheckBox.setEnabled(False)
+ self.aspectRatioCheckBox.setEnabled(False)
+ self.widthSpinBox.setEnabled(False)
+ self.heightSpinBox.setEnabled(False)
+ elif mode == ImageMarkupDialog.RestMode:
+ self.titleEdit.setEnabled(False)
+
+ self.__mode = mode
+ self.__originalImageSize = QSize()
+
+ filters = {
+ 'bmp': self.tr("Windows Bitmap File (*.bmp)"),
+ 'cur': self.tr("Windows Cursor File (*.cur)"),
+ 'dds': self.tr("DirectDraw-Surface File (*.dds)"),
+ 'gif': self.tr("Graphic Interchange Format File (*.gif)"),
+ 'icns': self.tr("Apple Icon File (*.icns)"),
+ 'ico': self.tr("Windows Icon File (*.ico)"),
+ 'jp2': self.tr("JPEG2000 File (*.jp2)"),
+ 'jpg': self.tr("JPEG File (*.jpg)"),
+ 'jpeg': self.tr("JPEG File (*.jpeg)"),
+ 'mng': self.tr("Multiple-Image Network Graphics File (*.mng)"),
+ 'pbm': self.tr("Portable Bitmap File (*.pbm)"),
+ 'pcx': self.tr("Paintbrush Bitmap File (*.pcx)"),
+ 'pgm': self.tr("Portable Graymap File (*.pgm)"),
+ 'png': self.tr("Portable Network Graphics File (*.png)"),
+ 'ppm': self.tr("Portable Pixmap File (*.ppm)"),
+ 'sgi': self.tr("Silicon Graphics Image File (*.sgi)"),
+ 'svg': self.tr("Scalable Vector Graphics File (*.svg)"),
+ 'svgz': self.tr("Compressed Scalable Vector Graphics File"
+ " (*.svgz)"),
+ 'tga': self.tr("Targa Graphic File (*.tga)"),
+ 'tif': self.tr("TIFF File (*.tif)"),
+ 'tiff': self.tr("TIFF File (*.tiff)"),
+ 'wbmp': self.tr("WAP Bitmap File (*.wbmp)"),
+ 'webp': self.tr("WebP Image File (*.webp)"),
+ 'xbm': self.tr("X11 Bitmap File (*.xbm)"),
+ 'xpm': self.tr("X11 Pixmap File (*.xpm)"),
+ }
+
+ inputFormats = []
+ readFormats = QImageReader.supportedImageFormats()
+ for readFormat in readFormats:
+ try:
+ inputFormats.append(filters[bytes(readFormat).decode()])
+ except KeyError:
+ pass
+ inputFormats.sort()
+ inputFormats.append(self.tr("All Files (*)"))
+ if filters["png"] in inputFormats:
+ inputFormats.remove(filters["png"])
+ inputFormats.insert(0, filters["png"])
+ self.imagePicker.setFilters(';;'.join(inputFormats))
+ self.imagePicker.setMode(E5PathPickerModes.OpenFileMode)
+
+ self.sizeCheckBox.setChecked(True)
+ self.aspectRatioCheckBox.setChecked(True)
+
+ msh = self.minimumSizeHint()
+ self.resize(max(self.width(), msh.width()), msh.height())
+
+ self.__updateOkButton()
+
+ def __updateOkButton(self):
+ """
+ Private slot to set the state of the OK button.
+ """
+ enable = bool(self.imagePicker.text())
+ if self.__mode == ImageMarkupDialog.MarkDownMode:
+ enable = enable and bool(self.altTextEdit.text())
+
+ self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enable)
+
+ @pyqtSlot(str)
+ def on_imagePicker_textChanged(self, address):
+ """
+ Private slot handling changes of the image path.
+
+ @param address image address (URL or local path)
+ @type str
+ """
+ if address and "://" not in address:
+ image = QImage(address)
+ # load the file to set the size spin boxes
+ if image.isNull():
+ self.widthSpinBox.setValue(0)
+ self.heightSpinBox.setValue(0)
+ self.__originalImageSize = QSize()
+ self.__aspectRatio = 1
+ else:
+ self.widthSpinBox.setValue(image.width())
+ self.heightSpinBox.setValue(image.height())
+ self.__originalImageSize = image.size()
+ self.__aspectRatio = \
+ float(self.__originalImageSize.height()) / \
+ self.__originalImageSize.width()
+ else:
+ self.widthSpinBox.setValue(0)
+ self.heightSpinBox.setValue(0)
+ self.__originalImageSize = QSize()
+ self.__aspectRatio = 1
+
+ self.__updateOkButton()
+
+ @pyqtSlot(str)
+ def on_altTextEdit_textChanged(self, txt):
+ """
+ Private slot handling changes of the alternative text.
+
+ @param txt alternative text
+ @type str
+ """
+ self.__updateOkButton()
+
+ @pyqtSlot(bool)
+ def on_sizeCheckBox_toggled(self, checked):
+ """
+ Public slot to reset the width and height spin boxes.
+
+ @param checked flag indicating the state of the check box
+ @type bool
+ """
+ if checked:
+ self.widthSpinBox.setValue(self.__originalImageSize.width())
+ self.heightSpinBox.setValue(self.__originalImageSize.height())
+
+ @pyqtSlot(bool)
+ def on_aspectRatioCheckBox_toggled(self, checked):
+ """
+ Public slot to adjust the height to match the original aspect ratio.
+
+ @param checked flag indicating the state of the check box
+ @type bool
+ """
+ if checked and self.__originalImageSize.isValid():
+ height = self.widthSpinBox.value() * self.__aspectRatio
+ self.heightSpinBox.setValue(height)
+
+ @pyqtSlot(int)
+ def on_widthSpinBox_valueChanged(self, width):
+ """
+ Private slot to adjust the height spin box.
+
+ @param width width for the image
+ @type int
+ """
+ if self.aspectRatioCheckBox.isChecked() and \
+ self.widthSpinBox.hasFocus():
+ height = width * self.__aspectRatio
+ self.heightSpinBox.setValue(height)
+
+ @pyqtSlot(int)
+ def on_heightSpinBox_valueChanged(self, height):
+ """
+ Private slot to adjust the width spin box.
+
+ @param height height for the image
+ @type int
+ """
+ if self.aspectRatioCheckBox.isChecked() and \
+ self.heightSpinBox.hasFocus():
+ width = height / self.__aspectRatio
+ self.widthSpinBox.setValue(width)
+
+ def getData(self):
+ """
+ Public method to get the entered data.
+
+ @return tuple containing the image address, alternative text,
+ title text, flag to keep the original size, width and height
+ @rtype tuple of (str, str, str, bool, int, int)
+ """
+ return (
+ self.imagePicker.text(),
+ self.altTextEdit.text(),
+ self.titleEdit.text(),
+ self.sizeCheckBox.isChecked(),
+ self.widthSpinBox.value(),
+ self.heightSpinBox.value(),
+ )
