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Add configurable page margins to label sheet plugin (#9641)

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Co-authored-by: Oliver <oliver.henry.walters@gmail.com>
This commit is contained in:
Ben Hagen
2025-05-08 11:33:08 +02:00
committed by GitHub
parent e3ff840908
commit 9918f75e89
1 changed files with 22 additions and 5 deletions
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27
src/backend/InvenTree/plugin/builtin/labels/label_sheet.py
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@ -49,6 +49,13 @@ class LabelPrintingOptionsSerializer(serializers.Serializer):
help_text=_('Print the label sheet in landscape mode'), help_text=_('Print the label sheet in landscape mode'),
) )
margin = serializers.IntegerField(
default=10,
label=_('Page Margin'),
help_text=_('Margin around the page in mm'),
min_value=0,
)
class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlugin): class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlugin):
"""Builtin plugin for label printing. """Builtin plugin for label printing.
@ -60,7 +67,7 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
NAME = 'InvenTreeLabelSheet' NAME = 'InvenTreeLabelSheet'
TITLE = _('InvenTree Label Sheet Printer') TITLE = _('InvenTree Label Sheet Printer')
DESCRIPTION = _('Arrays multiple labels onto a single sheet') DESCRIPTION = _('Arrays multiple labels onto a single sheet')
VERSION = '1.0.0' VERSION = '1.0.1'
AUTHOR = _('InvenTree contributors') AUTHOR = _('InvenTree contributors')
BLOCKING_PRINT = True BLOCKING_PRINT = True
@ -91,6 +98,9 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
border = printing_options.get('border', False) border = printing_options.get('border', False)
skip = int(printing_options.get('skip', 0)) skip = int(printing_options.get('skip', 0))
# Get margin from printing options
margin = printing_options.get('margin', 10)
# Extract size of page # Extract size of page
page_size = report.helpers.page_size(page_size_code) page_size = report.helpers.page_size(page_size_code)
page_width, page_height = page_size page_width, page_height = page_size
@ -98,9 +108,13 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
if landscape: if landscape:
page_width, page_height = page_height, page_width page_width, page_height = page_height, page_width
# Calculate number of rows and columns # Calculate available space after margins
n_cols = math.floor(page_width / label.width) available_width = page_width - (2 * margin)
n_rows = math.floor(page_height / label.height) available_height = page_height - (2 * margin)
# Calculate number of rows and columns based on available space
n_cols = math.floor(available_width / label.width)
n_rows = math.floor(available_height / label.height)
n_cells = n_cols * n_rows n_cells = n_cols * n_rows
if n_cells == 0: if n_cells == 0:
@ -123,6 +137,7 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
'n_pages': math.ceil(n_labels / n_cells), 'n_pages': math.ceil(n_labels / n_cells),
'n_cols': n_cols, 'n_cols': n_cols,
'n_rows': n_rows, 'n_rows': n_rows,
'margin': margin,
} }
pages = [] pages = []
@ -232,6 +247,8 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
n_rows = kwargs['n_rows'] n_rows = kwargs['n_rows']
n_cols = kwargs['n_cols'] n_cols = kwargs['n_cols']
margin = kwargs.get('margin', 0)
inner = ''.join(pages) inner = ''.join(pages)
# Generate styles for individual cells (on each page) # Generate styles for individual cells (on each page)
@ -262,7 +279,7 @@ class InvenTreeLabelSheetPlugin(LabelPrintingMixin, SettingsMixin, InvenTreePlug
<style> <style>
@page {{ @page {{
size: {page_width}mm {page_height}mm; size: {page_width}mm {page_height}mm;
margin: 0mm; margin: {margin}mm;
padding: 0mm; padding: 0mm;
}} }}