awesome! That fixed it, thank you On Tuesday, July 9, 2013 6:33:11 PM UTC+2, asgallant wrote: > > The "column" parameter of the selection objects must be null in order to > make the selection work on the Table (as Tables only support row-level > selections). See example here: http://jsfiddle.net/asgallant/aCXUx/ > > On Tuesday, July 9, 2013 11:36:26 AM UTC-4, Trevor Haba wrote: >> >> Hello, >> >> I am looking to display various pieces of data in chart form, using the >> google visualization API. Right now I have a line chart which draws the >> information to be displayed from a global array. I am trying to use a >> google visualization table to control which pieces of data are displayed. I >> have generated this table just fine, but when I want to "select" the pieces >> of data already shown to inform the user what is currently on the graph, >> there is no visual effect. >> >> Here is the code in question: >> >> var theseSelections = [] >> var inner_index = 0; >> for (var i = 0; i < chartArray[chartIndex].length; i++) { >> inner_index = chartArray[chartIndex][i]; >> if (start <= inner_index && inner_index <= end) { >> theseSelections.push({row: inner_index - start, column: 0}); >> } >> } >> table.setSelection(theseSelections); >> >> var selection = table.getSelection(); >> for (var i = 0; i < selection.length; i++) { >> var item = selection[i]; >> var message = "" >> if (item.row != null && item.column != null) { >> message += '{row:' + item.row + ',column:' + item.column + '}'; >> } else if (item.row != null) { >> message += '{row:' + item.row + '}'; >> } else if (item.column != null) { >> message += '{column:' + item.column + '}'; >> } >> if (message == '') { >> message = 'nothing'; >> } >> alert('You selected ' + message); >> } >> >> >> In short, it draws which fields are currently being displayed from >> chartArray[chartIndex], creates the JSON object for each piece of >> information and "selects" them all at once at the end. I have verified that >> the correct pieces of data are being selected with the second for loop. It >> displays that I have selected "{row: 1, column 0}, {row:4, column 0}, {row: >> 5, column: 0}," so the correct pieces of data are selected, and the table >> returns these pieces of data as well, so I know the information is getting >> to the table properly. The table in question has 6 rows, and one column. I >> have also tried selecting column: 1 and column: null. >> >> Regardless of what I do, there is no graphical indication that the table >> has any selections at all. You can recreate this in the google playground >> by calling setSelection() at the end of the table example. The >> setSelection() documentation clearly states that there should be a visual >> component to the function call, but I am not seeing any. >> >> I could make a second column to display whether a row is selected but I >> would prefer to save the space in my application. Besides, the >> documentation clearly states that there should be a visual component to >> this method call. Is this a bug? Or am I missing something obvious? >> >> Thanks for your help. >> >
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