[Qgis-developer] Re: Python - recreate the exact Legend in a QTreeWidget

[Germán Carrillo]

I appreciate it!

Regards

2011/6/20 kimaidou <kimaidou at gmail.com>

> Of course !
>
> This is basically what I have done :
>
> http://pastebin.com/1yhyuRxA
>
> Regards,

Kimaidou
>
>
> 2011/6/20 Germán Carrillo <carrillo.german at gmail.com>
>
>> Hi Kimaidou,
>>
>> may you share your solution? It may be useful for some people here
>> (including myself).
>>
>> Regards,
>>
>> Germán
>>
>> 2011/6/20 kimaidou <kimaidou at gmail.com>
>>
>>> Hi all
>>>
>>> I managed to reconstruct my legend in my QTreeWidget by using a
>>> dictionary to store the item I have already added in the tree while looping
>>> through groupLayerRelationship !
>>>
>>> Cheers
>>> Kimaidou
>>>
>>>
>>> 2011/6/20 kimaidou <kimaidou at gmail.com>
>>>
>>>> Hi devs,
>>>>
>>>> I am a bit stuck here....
>>>> I would like to recreate the complete legend tree inside a python
>>>> plugin. I have chosen to use a QtreeWidget to do so.
>>>>
>>>> Imagine I have:
>>>> *****************
>>>> group 0 (empty)
>>>>
>>>> group 1
>>>> |-- group 11
>>>>    |-- layer 11a
>>>>    |-- layer 11b
>>>> |-- layer 1a
>>>>
>>>> layer a
>>>>
>>>> group 2
>>>> |-- group 21
>>>> |-- layer 2a
>>>> ***********************
>>>>
>>>> I have seen the
>>>>
>>>> iface.legendInterface().groupLayerRelationship()
>>>>
>>>> returns usefull information, but in a flat "C-style" way like :
>>>>
>>>>
>>>> [
>>>>   ['group 0', [] ],
>>>>   ['group 1', ['group 11', 'layer_1a_10020100526085601790'] ],
>>>>   ['', ['layer_a_20110617181245226'] ],
>>>>   ['group 2', ['groupe21', 'layer_2a_20110616121558434'] ],
>>>>   ['group 11', ['layer_11a_20100526085601799',
>>>> 'layer_11b_gen20100526100356932'] ],
>>>>   ['groupe21', []]
>>>> ]
>>>>
>>>>
>>>> I would like to loop though this result and create my own hierarchical
>>>> representation such as :
>>>> [
>>>>     'name' : 'group 0' , 'type' : 'group', 'children' : [],
>>>>     'name' : 'group 1' , 'type' : 'group', 'children' : [
>>>>         'name' : 'group 11' , 'type' : 'group', 'children' : [
>>>>             'name' : 'layer 11a' , 'type' : 'layer', 'children' : [],
>>>>             'name' : 'layer 11b' , 'type' : 'layer', 'children' : []
>>>>         ],
>>>>         'name' : 'layer 1a' , 'type' : 'layer', 'children' : []
>>>>     ],
>>>>     'name' : 'layer a' , 'type' : 'layer', 'children' : [],
>>>>     'name' : 'group 2' , 'type' : 'group', 'children' : [
>>>>         'name' : 'group 21' , 'type' : 'group', 'children' : [],
>>>>         'name' : 'layer 2a' , 'type' : 'layer', 'children' : []
>>>>     ]
>>>> ]
>>>>
>>>> I have tried hard since yesterday, but have not succeeded... Has anyone
>>>> already encoutered this need ?
>>>>
>>>> Thanks in advance,
>>>> kimaidou
>>>>
>>>
>>>
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>>>
>>>
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>
>


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