* Use QgsStringMap

* Better description

* Use new translated metadata methods

- strpos() now relies on a simple string within a string search
- regexp_match() now returns pos of a matching regular expression

[expression] strpos() and regexp_match() improvements

…vement

[processing] use algorithm description in modeler dependencies dialog

…faults

[processing] fix Ogr2OgrToPostGisList algorithm

… requests

WMS server: add user setting if custom datasources are allowed in wms…

…arts

[FIXBUG] Fix iteration of features in SinglePartsToMultiparts algorithm

This commit restores some pre 3.0 processing behaviour for number inputs.
Now, if a number input is required outside of modeller than a spin box
will be shown instead of a free text input.

Clicking the expression builder button results in an expression
which is evaluated immediately to avoid users expecting that
the expression will be evaluated per feature.

Export parametric SVG, will fallback symbols for the systems that cannot understand them

accept numeric, file and table field inputs in modeler

This allows a non-string parameter to be reused as a string
parameter in contexts where it makes sense.

This adds a new input type for expression inputs. Expression
inputs can be linked to a parent layer so that the builder
shows the correct fields and layer variables.

It's designed for two use cases:

1. to be used when an algorithm specifically requires an expression,
eg Select by Expression and Extract by Expression.

2. to be potentially used as a replacement input instead of string
or number literals in algorithms. Eg - if the simplify algorithm
tolerance parameter was replaced with an expression paremeter, then
this expression would be evaluated for every feature before
simplifying that feature. It would allow parameters to be calculated
per feature, as opposed to the current approach of calculating
a parameter once before running the algorithm. It would also
mean algorithms like "variable distance buffer" would no longer
be needed, as a single "buffer" algorithm could then be used
for either a fixed distance, field based, or expression based
distance.

- use [close without saving][cancel][save] option when closing
a modeler with unsaved changes
- invert mouse wheel zoom in/out to match that of QGIS' main
canvas window
- holding the mouse middle click and dragging will pan the
modeler view

[processing] harmonize modeler UI/UX behavior with QGIS

When inserting multiple features in a single prepared statement, the spatialite
provider would skip any default for individual features, even though they have
been specified in the field list, resulting in missing fields.

fixes qgis#14703

Include C++ and Python tests

Travis won: ported all test cases to Python
and disabled C++ companion test (still useful locally and
for debugging)

For the curious: QTemporaryFile is not working as expected

Moved to Qt5 new style signals

Disabled C++ test and connected cancel to progress

Make string comparison on SSL errors more robust

[bugfix][forwardport] File downloader for identify dialog hyperlinks

typo fix

[processing] check for parent alg dependencies in hasDependencies()

This reverts commit 6c53641.

As it breaks all OGR geoprocessing algoroithms.

Avoid double extensions when creating temp files

This test failed as result and expected WKT geometries differ
only because of 0 vs. -0 in one coordinates pair

…rams

And fix number param retrieving from script code

Crs parameters in algorithm settings in modeler

This makes it easier to pick static CRSes for the parameter,
and also makes it obvious to users that they can use a fixed
CRS parameter in their model (as opposed to one taken from
a layer or input)

…nnect

[processing][db_manager] Fix connection to postgis

Also improves the API to export/import WKB as QByteArray

Implements a method in QgsGeometry and a processing algorithm to
calculate the pole of inaccessibility for a surface, which is the
most distant internal point from the boundary of the surface. This function
uses the 'polylabel' algorithm (Vladimir Agafonkin, 2016), which is an iterative
approach guaranteed to find the true pole of inaccessibility within a specified
tolerance. More precise tolerances require more iterations and will take longer
to calculate.

Exposes calculation of pole of inaccessiblity to expression
engine

…9951)

[processsing] tests for GDAL algorithms

(replaced by setName(), name() overridden from the parent)

just a small intendation fix

…omboBox

If you don't want the extra info, just don't capture it...

Was not needed and not emitted anywhere

- Maintain Z/M values
- Handle curved geometries without segmentizing
- Retain null geometries

On behalf of Faunalia, sponsored by ENEL

On behalf of Faunalia, sponsored by ENEL

Previously a cached feature iterator would only be returned
if cache was either full or used a cache index

On behalf of Faunalia, sponsored by ENEL

On behalf of Faunalia, sponsored by ENEL

On behalf of Faunalia, sponsored by ENEL