From cdbb00fad4e8826087de86911a2860f10d7945a5 Mon Sep 17 00:00:00 2001
From: Mauricio Baeza <elmau@correolibre.net>
Date: Sat, 10 Jul 2021 17:29:29 -0500
Subject: [PATCH] Start support for insert math in writer

---
 CHANGELOG                           |  5 +++++
 doc/source/main/examples_writer.rst | 14 ++++++++++++--
 source/easymacro.py                 | 23 ++++++++++++++++-------
 3 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 3cb28e5..5b936b8 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,7 +1,12 @@
+v 0.17.0 [10-jul-2021]
+    - Add insert math in writer
+
+
 v 0.16.1 [01-jul-2021]
     - Change property is_connected in db
     - Update doc
 
+
 v 0.16.0 [20-jun-2021]
     - Add connection for postgres and mariadb
     - Fix in call macro Basic
diff --git a/doc/source/main/examples_writer.rst b/doc/source/main/examples_writer.rst
index d7f3067..a584e17 100644
--- a/doc/source/main/examples_writer.rst
+++ b/doc/source/main/examples_writer.rst
@@ -1,9 +1,9 @@
 
 For Writer
--------------------
+----------
 
 Set autostyle in table
-^^^^^^^^^^^^^^^^^^^^^^
+~~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: python
 
@@ -12,3 +12,13 @@ Set autostyle in table
         table = doc.tables[0]
         table.style = 'Academic'
         return
+
+
+Insert math formula
+~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: python
+
+    formula = '%LAMBDA_{deg","t}=1 + %alpha_deg SQRT {M_t over M_{(t=0)}-1}~"."'
+    text = app.selection
+    text.insert_math(formula)
diff --git a/source/easymacro.py b/source/easymacro.py
index 1b848a1..b125752 100644
--- a/source/easymacro.py
+++ b/source/easymacro.py
@@ -164,13 +164,23 @@ OBJ_RANGE = 'ScCellRangeObj'
 OBJ_RANGES = 'ScCellRangesObj'
 TYPE_RANGES = (OBJ_CELL, OBJ_RANGE)
 
-OBJ_SHAPES = 'com.sun.star.drawing.SvxShapeCollection'
 OBJ_SHAPE = 'com.sun.star.comp.sc.ScShapeObj'
+OBJ_SHAPES = 'com.sun.star.drawing.SvxShapeCollection'
 OBJ_GRAPHIC = 'SwXTextGraphicObject'
 
 OBJ_TEXTS = 'SwXTextRanges'
 OBJ_TEXT = 'SwXTextRange'
 
+CLSID = {
+    'FORMULA': '078B7ABA-54FC-457F-8551-6147e776a997',
+}
+
+SERVICES = {
+    'TEXT_EMBEDDED': 'com.sun.star.text.TextEmbeddedObject',
+    'TEXT_TABLE': 'com.sun.star.text.TextTable',
+    'GRAPHIC': 'com.sun.star.text.GraphicObject',
+}
+
 
 # ~ from com.sun.star.sheet.FilterOperator import EMPTY, NO_EMPTY, EQUAL, NOT_EQUAL
 class FilterOperator(IntEnum):
@@ -3310,11 +3320,9 @@ class LOWriterTextRange(object):
     def insert_math(self, formula,
             anchor_type=TextContentAnchorType.AS_CHARACTER,
             cursor=None, replace=False):
-        CLSID = '078B7ABA-54FC-457F-8551-6147e776a997'
-        service = 'com.sun.star.text.TextEmbeddedObject'
 
-        math = self._doc.create_instance(service)
-        math.CLSID = CLSID
+        math = self._doc.create_instance(SERVICES['TEXT_EMBEDDED'])
+        math.CLSID = CLSID['FORMULA']
         math.AnchorType = anchor_type
         self.insert_content(math, cursor, replace)
         math.EmbeddedObject.Component.Formula = formula
@@ -3327,7 +3335,7 @@ class LOWriterTextRange(object):
         return self._doc.selection
 
     def insert_table(self, data):
-        table = self._doc.create_instance('com.sun.star.text.TextTable')
+        table = self._doc.create_instance(SERVICES['TEXT_TABLE'])
         rows = len(data)
         cols = len(data[0])
         table.initialize(rows, cols)
@@ -3340,7 +3348,8 @@ class LOWriterTextRange(object):
     def insert_image(self, path, args={}):
         w = args.get('Width', 1000)
         h = args.get('Height', 1000)
-        image = self._doc.create_instance('com.sun.star.text.GraphicObject')
+
+        image = self._doc.create_instance(SERVICES['GRAPHIC'])
         image.GraphicURL = _P.to_url(path)
         image.AnchorType = TextContentAnchorType.AS_CHARACTER
         image.Width = w