How do I get the search/filter to work per column?
I am making small steps in building, and constantly adding to my data table, which is pretty dynamic at this stage. It basically builds a datatable based on the dat that is fed into it. I have now added the footer to act as a search/filter, but unfortunately this is where I have become stuck. I cannot get the filer part to work. Advice greatly appreciated.
here is my sample data tables that I am working on http://live.datatables.net/qociwesi/2/edit
It basically has dTableControl object that builds by table.
To build my table I need to call loadDataFromSocket which does the following:
//then I have this function for loading my data and creating my tables
//file is an array of objects
//formatFunc is a function that formats the data in the data table, and is stored in options for passing to the dTableControl for formatting the datatable - not using this in this example
//ch gets the keys from file[0] which will be the channel headers
//then I add the headers
//then I add the footers
//then I create the table
//then i build the rows using the correct values from file
//then I draw and this then draws all the row that were built
//now the tricky part of applying the search to each columns
So i have got this far but the search per column is not working. How do I get the search/filter to wrok per column?
Note this is a very basic working example that I have been working off: http://jsfiddle.net/HattrickNZ/t12w3a65/
You should use t1.oTable to access DataTables API, see updated example for demonstration.
Please compare your code with jsFiddle in your question, notice its simplicity and consider rewriting your code.
Related
I have implemented laravel dataTable as a service.
The initial two columns are actual id and names so, I am able to sort it asc/desc after the table renders.
But the next few columns renders after performing few calculations, i.e. these values are not fetched directly from any column rather it is processed.
I am unable to sort these columns where calculations were performed, and I get this error. And I know it is looking for that particular column for eg outstanding_amount which I don't have in the DB, rather it is a calculated amount from two or more columns that are in some other tables.
Any Suggestions on how to overcome this issue?
It looks like you're trying to sort by values that aren't columns, but calculated values.
So the main issue here is to give Eloquent/MySql the data it needs to provide the sorting.
// You might need to do some joins first
->addSelect(DB::raw('your_calc as outstanding_amount'))
->orderBy('outstanding_amount') // asc can be omitted as this is the default
// Anternative: you don't need the value sorted by
// Don't forget any joins you might need
->orderByRaw('your_calc_for_outstanding_amount ASC')
For SQL functions it'll work as follow
->addSelect(DB::raw('COUNT(products.id) as product_count'));
->orderByRaw(DB::raw('COUNT(products.id)'),'DESC');
I have joined some data from HDFS with some data from an Oracle DW, which is working fine, but I cant seem to add any new columns to this sheet. To add columns for calculated fields etc I have to duplicate the sheet and do it there - this doesn't seem overly efficient.
Am I doing something wrong here or can you not add columns to a join result sheet?
... but I cant seem to add any new columns to this sheet.
Right. It will not be possible to add columns to a JoinedSheet. It is a new data set containing columns from two or more sheets based on a key column which you defined.
... or can you not add columns to a join result sheet?
It will be necessary to reference these data as input for a new Worksheet by Duplicating Worksheet.
Another approach could be using datameer rest-api. You can get the content of the workbook in json format and add columns manually or by implementing a simple script, then update the workbook with changed json file.
Is there an easy way of retrieving the ALV data that is displayed when there are also filters used on that ALV?
The ALV used is an object of CL_GUI_ALV_GRID. When showing it to the user, there is a filter placed on it by default. The user also has a button that processes the data in the ALV. How can I make sure the process only works with the data that is displayed, even if the user places his own filters on the ALV?
e.g: An ALV gets created from an itab that has 10 rows, but because there is also a filter passed on the ALV, only 8 rows are showing. When pressing a button, I only want to work with the 8 rows currently showing to the user.
I have tried finding a function module for this purpose but I can only find a FM which works with the selected rows in an ALV.
EDIT: Further, there is a method called get_filtered_entries, but it only retrieves those entries that are NOT displayed. Using this will be quite time-consuming to make the translation to displayed entries. get_filtered_entries
Thanks in advance.
GET_FILTERED_ENTRIES returns a table of excluded row indices. You just have to skip those in your processing.
" Copy original table
DATA(lit_buffer) = it_out[].
" Get excluded rows
o_grid->get_filtered_entries(
IMPORTING
et_filtered_entries = DATA(lit_index)
).
" Reverse order to keep correct indizes; thnx futu
SORT lit_index DESCENDING.
" Remove excluded rows from buffer
LOOP AT lit_index ASSIGNING FIELD-SYMBOL(<index>).
DELETE lit_buffer INDEX <index>.
ENDLOOP.
EDIT: I debugged cl_gui_alv_grid a little and it doesn't seems like that a filtered version of the original table exists at all. The lines get filtered, sorted, grouped and immediately transferred into a table of cells. Looks like it is nearly impossible to get the displayed rows without a performance drawback.
I have a abstract table (table or treetable view does not matter) view which have lots of column. But not all columns are visible at the same time. Now what i want to do, when i export the table contents to pdf/excel read each row data but actually in javafx we can not get row and cell data directly. For this we must use row/cell factory. But in this case this factory is called only when we add data to the table. I can read table data model for each row but in this case i must chek which columns are visible and invisible and which data model used always, and call the required method of the data model. Doing this required lots of code lines because as mentioned i have lots of column and nested column and also different data models. So during exporting to check all of these required lots of code line. But if i can read the row and cells of row i do't need to check invisible row and data model. Just read current row and data of cell. So my question is how can i solve this issued? Do you have any suggestion?
Any suggestion?
finally I solved this problem. Thanks for java documentation. I post some code snippet so who needs can use. For reading cell value on (row,column) intersection on TreeTableView
int rowIndex = treeTableView.getRow(treeRowItem);
for(int i=0;i<treeTable.getColumns();i++){
TreeTableColumn ttc = treeTable.getColumns().get(i);
String value = ttc.getCellData(rowIndex).toString();
}
you can also use the same logic on TableView
I'm using a grid which have editurl: "clientArray",datatype: 'xmlstring', datastr: '<%=_xml_string %>'.
I have a button in my page , and when i click it i make an ajax call and get an xml containing new rows that i want to add to my grid.
Currently i'm looping through the xml rows and using addRowData for each row.
My question is how can append these rows to the current grid? I want the rows that are currently in the grid to still be there and append to them the new rows from the xml i get.
Thank's In Advance.
You can for example prepare an array of data with the new rows. You can add all the rows in one call of addRowData (read the documentation for more information about different parameters of addRowData).
The things will be more easy if you would return JSON data from the server instead of XML. It is recommended for the most situations. Then you can just make one call of addRowData with the data returned from the server to append there to the grid. Optionally you can needed to use small customization of the localReader (see here for more information)
depending on the formatting of the returned data, you could use addXMLData, however you may have to manipulate the returned XML first in order to have it format correctly.