3.2.0

[ScrollIntoView] How to show a given row as the first visible row

Hi Everyone,

I had the need to scroll a grid in order to show a given row at the index "myIndex", as the first row in the visible part of the grid in the page.

Using Alex's function "ScrollIntoView", I was able to show the selected row, but I managed to do so only as the last visible row.

To solve this problem I've simply changed the function this way:

function scrollIntoView(index){ 
            
                var row = this.getTemplate("row", index); 
                var data = this.getTemplate("layout").getContent("data"); 
                var left = this.getTemplate("layout").getContent("left"); 
                var scrollbars = this.getTemplate("layout").getContent("scrollbars"); 
            
                try { 
                    var top, padding = parseInt(data.element().currentStyle.paddingTop); 
                    if (data.element().scrollTop > row.element().offsetTop - padding ) { 			           
                        top = row.element().offsetTop  - padding  ; 
                        left.element().scrollTop = top; 
                        data.element().scrollTop = top; 
                        scrollbars.element().scrollTop = top; 
                    } 
            
                    if (data.element().offsetHeight + data.element().scrollTop < 
                        row.element().offsetTop + row.element().offsetHeight ) { 			           
                        top = row.element().offsetTop ; [b]/* + row.element().offsetHeight  - data.element().offsetHeight */	[/b]	        
                                         left.element().scrollTop = top; 
                        data.element().scrollTop = top; 
                        scrollbars.element().scrollTop = top; 
                    } 
                } 
                catch(error){ 
                    // ignore errors 
                } 
              }


(note that I've simply cut the last part of line #16.)

Is this the right way to solve my problem?
Do you think there is a better way?



And another little thing:

var myIndex = 10; /* just for example...*/

grid.timeout(function(){ 
                  scrollIntoView.call(grid, myIndex); 
                  [b]grid.setSelectionIndex(myIndex);[/b]    /*  just to "select" the row.*/
                });


Do you think that I can select the row this way? It works, but seems too simple... :-)




Thanks in advance

Ps. English isn't my motherlanguage...sorry!
Francesco Pezzato
January 9,

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