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Enhanced-Search-Widget-for-FlexViewer Part III

RobertScheitlin__GISP

All,

Here is a new thread to post questions and discuss the Enhanched Search Widget. The old thread was getting too long.

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RobertScheitlin__GISP

John,

Currently no, but I like the idea and will add it to the enhancement list.

denverweston

Thanks Robert.

carmenpellicer

Hi Robert,
I love your eSearch widget, it is really good.
I found a DropDownList component that allows the user to select one or several values at a time.
I attach it to the thread for sharing with everybody and I was wondering if you could use it in your eSearch.

This component will allow queries on multiple values in a field, when the search queries for either of the values selected in the DropDownList.

Regards!

MultiSelectDropDownList.rar

RobertScheitlin__GISP

TdE_Zaragoza,

I will have a look and see how it fits into the UI design. I will have to consider the Logic of how to determine if the field is a text of numeric field and adjust the comma separated selection results accordingly and then ensure the SQL statement that was provided does include a SQL 'IN ()' statement. I have been considering something like this though, so thanks for the component. Did you write this component or does credit need to be given to another developer in the code?

GeorgePapamihalakis

Hi I am using the Flexviewer 3.3 and I ive added the attribute table on the bottom of the screen but it is not getting populated with any data. I'm getting results that I search for in the eSearch widget box but I don't see anything in the lower box. What am I missing?

GeorgePapamihalakis

NVM, figured it out. My gridfields were not set up.

GeorgePapamihalakis

Well ok I do have a question...I want the eSearch widget to only display certain fields but then I want the search results window to display all of them. Is there anyway to do this?

RobertScheitlin__GISP

George,

No that is a feature in my IdentifyWidget but it is not a configurable option in the eSearch.

RichardHudson

Robert,

I'm using the For_AppBuilder3.4 version of eSearch, and successfully selecting the features - but cannot get the datagrid to appear. I've defined <autoopendatagrid>true</autoopendatagrid>, and the fields desired in the datagrid have gridfield="true" (hopefully in the proper location in the attached .xml).

If you have the opportunity to review, I'd be greatly appreciative - on top of my great appreciation for your other widgets that our users enjoy.

Sincerely,

Rick Hudson
Mobile County, AL

eSearchWidget_4.txt.zip

RobertScheitlin__GISP

Rick,

App Builder does not support Layout widgets which is what the Fixed Datagrid is. So you will have to manually add the Fixed Data grid widget to the main config.xml yourself using a text editor program like Notepad. Instructions for doing this are in the fixed datagrid pdf included in the download zip file.

RichardHudson

That was the ticket, Robert! Thank you, again, for your generosity in both creating the widgets and helping us users.

Sincerely,

Rick

GeorgePapamihalakis

Ok, I am having a problem trying to set my query up right. I am trying to search by Block and Lot, here is what I have

                <expression alias="Find Parcel" textsearchlabel="Seach by Block and Lot" isvaluerequired="true">
                    <values>
                        <value prompt="Example: Block 101" isvaluerequired="true" operator="AND">(BLOCK) = ('%[value]%')</value>
                        <value prompt="Example: Lot 1" isvaluerequired="true" operator="AND">(LOT) = ('%[value]%')</value>
                    </values>
                </expression>

I had LIKE instead of = before but on some searches like Block 101, Lot 1 it would turn up anything that had 101 in the block and 1 in the lot. Block 101, Lot 1 does show up in that list. When I have the = in there, I do not get any results.

What am I messing up here?

RobertScheitlin__GISP

George,

try this:

                <expression alias="Find Parcel" textsearchlabel="Seach by Block and Lot" isvaluerequired="true">
                    <values>
                        <value prompt="Example: Block 101" isvaluerequired="true">upper(BLOCK) LIKE upper('[value]%')</value>
                        <value prompt="Example: Lot 1" isvaluerequired="true" operator="AND">upper(LOT) LIKE upper('[value]%')</value>
                    </values>
                </expression>

If this is not what you are after, then be more specific on your requirements.

GeorgePapamihalakis

Hi Robert,

Thanks for the code. I tried it and the results are less this time, but I just need the exact block/lot and not a set of similar block/lots. So If Im searching for Block 101, Lot 1. That is the only one that should turn up in the search.

GeorgePapamihalakis

Got it, I forgot to take the % signs out. Thanks for your help Robert.

carmenpellicer

Ok, Robert,
I hope you can include the Multiselect-DropDownList component in the next version of your widget.
I found the component in this web-> http://www.sakri.net/blog/2011/10/20/spark-multiselect-dropdownlist/
The author is Sakri Rosenstrom. It is a very nice component and the author really deserves credit for that.

Best Regards from Spain!!

BenScott1

Hi Robert,

Great widget. A small query about an error I am getting using graphical search. In our viewer if I tick on the "buffer graphic" option and then draw a polygon, the following error is returned:

"Wrong unit type (expected linear unit, got angular unit, or vice versa)"

Looking at it in fiddler, the error occurs on the call to the geometry service to create the buffers. The buffer spatial reference passed to the geometry service in our viewer is GDA94 geographics, the same coordinate system as our services, and I was attempting to buffer using metres. The documentation for the geometry service says that when buffering a line or polygon, if the buffer Spatial Reference is geographic, the buffer unit must be angular, so presumably this is the cause of the error.

My question is - where does the widget get the buffering spatial reference? Is it from the service you are searching? I note that in your calcounty example of the widget the bufferSR passed to the geometry service is a projected SR (Albers Equal Area Conic).

Testing on the rest endpoint of our geometry service, if I replicate the rest call from the esearch widget, substituting the buffer SR passed (4283 - GDA geographics) with a projected SR (e.g. NSW Lamberts - 3308) I get a result. Is there a way to change the buffer SR passed by the eSearch widget so we can force it to use a projected SR?

If not, can I suggest this as a future enhancement - to have an optional config item for buffer SR.

Many thanks,
Ben

RobertScheitlin__GISP

Ben,

The buffers spatial reference is controlled by the spatialreference tag in the eSearchWidget.xml. So yes you already have control over the spatial reference used by the buffer.

ChadHall

Robert,

Is there a way through your widget to control the buffer based on a selected polygon and not off the click location? I love the versatility of your widget and was wondering if this was possible through a code configuration in the xml on my side or if would require coding from your end?

Also, this relates to your TOC widget, I noticed that it acts like the esri default layers list with respect to checking/unchecking parent/child boxes. Currently I have the mxd project setup with the parent boxes checked so on start up the user only has to check child boxes. The problem I'm having is that if you uncheck any of the parent boxes, it will uncheck all the parent boxes that don't have child layers already checked. This could lead to confusion on the end user. Are you aware of a work around or have you experienced this issue?

Thanks in advance!
Chad

DanKlenjoski

Hi Robert,

I am new to Flex and trying to install the widget. Unfortunately, it gives me an error that it could not find the widget SWF. I am probably missing something simple and maybe even downloaded the wrong file. Any help getting me off the ground would be great.

Dan

Using Flex App Builder 3.4

RobertScheitlin__GISP

Chad,

Hmm... You have me wondering what you are talking about exactly, because the graphical serach portion of the widget will buffer a point, polyline, rect, or polygon that you draw. The Spatial Search will buffer what ever type of layer geometry you have have selected based on a text or graphical search run earlier...

RobertScheitlin__GISP

Dan,

When you download the widget it come in a zip file that has folders, pdfs, and a text document. in the folder called For_AppBuilder3.4 there is another zip file, that is the zip file you should be adding to App Builder through the Advanced Settings > Manage Custom Widgets dialog.

BenScott1

Ben,

The buffers spatial reference is controlled by the spatialreference tag in the eSearchWidget.xml. So yes you already have control over the spatial reference used by the buffer.

Many thanks Robert - I hadn't noticed that config item.

One other small thing - I am finding that when I do search with a buffered polygon, the buffered graphic stays on the screen. This is ok, as you can clear it by pressing the 'clear' button, but it is different to a non-buffered graphic, where the graphic disappears when you run the search.

Cheers,
Ben

RobertScheitlin__GISP

Ben,

That is the intended current behaviour. Are you saying that you would like to see it consistant one way or the other? If so which way?

DanKlenjoski

Dan,

When you download the widget it come in a zip file that has folders, pdfs, and a text document. in the folder called For_AppBuilder3.4 there is another zip file, that is the zip file you should be adding to App Builder through the Advanced Settings > Manage Custom Widgets dialog.

Thanks Robert.

BenScott1

Ben,

That is the intended current behaviour. Are you saying that you would like to see it consistant one way or the other? If so which way?

Personally, it seems cleaner if the graphic you use for the search disappears when it is run, regardless of whether you have buffered the graphic or not.

Cheers,
Ben

YasarKorkmaz

Is there a way to add "select from current selection" method (in addition to the new selection, add to the selection and remove from selection) to this widget?
Thanks,
Yas(h)ar

RobertScheitlin__GISP

Yas(h)ar,

This is not something that is supported by the API or the ArcGIS Server currently so I would have to figure out all the selection and sub-selection and how many trips to the server that would involve... I am not saying that it will not appear in a future release but it is not something I can easily add to the widget.

LixinHuang

We are trying to position the floating Data Grid to the lower right corner of the map in order not to block the map contents in the center which is default position of floating Data Grid. We made a fex changes to the "showGridResults" function in the source code. After we did that, we found that nothing popped up aftwer clicking the Data Grid View button. did we do something wrong? The lines of codes shown in red are those we made the changes. Any help or suggestion would be greatly appreciated.

private function showGridResults():void
{
 try{
  if(gridFields.length == 0){
  showMessage("No Datagrid configured for this layer", false);
  return;
 }
 
 if(floatorfixed == "float"){
  if(!floatDG){
   floatDG = new SearchWidgetFloatDG();
   floatDG.x = map.width - floatDG.width - floatDGRightOffset;
   floatDG.y = map.height - floatDG.height - floatDGBottomOffset;
   PopUpManager.addPopUp(floatDG,map,false,PopUpManagerChildList.POPUP)
   PopUpManager.bringToFront(floatDG);
  }else{
  ... ...

LixinHuang

I figured it out by myself. The lines of codes shown in red are the codes I added to the original source code to make the floating Data Grid pop up in the lower right corner of the map.

... ...
if(floatorfixed == "float"){
    if(!myfloatdg){
        myfloatdg = new SearchWidgetFloatDG();
        PopUpManager.addPopUp(myfloatdg,map,false,PopUpManagerChildList.POPUP)
        PopUpManager.centerPopUp(myfloatdg);
        var popupWindowX:Number = map.width - myfloatdg.width - floatDGRightOffset;
        var popupWindowY:Number = map.height - myfloatdg.height - floatDGBottomOffset;
        myfloatdg.move(popupWindowX, popupWindowY);
    }else{
... ...

We are trying to position the floating Data Grid to the lower right corner of the map in order not to block the map contents in the center which is default position of floating Data Grid. We made a fex changes to the "showGridResults" function in the source code. After we did that, we found that nothing popped up aftwer clicking the Data Grid View button. did we do something wrong? The lines of codes shown in red are those we made the changes. Any help or suggestion would be greatly appreciated.
private function showGridResults():void
{
 try{
  if(gridFields.length == 0){
  showMessage("No Datagrid configured for this layer", false);
  return;
 }
 
 if(floatorfixed == "float"){
  if(!floatDG){
   floatDG = new SearchWidgetFloatDG();
   floatDG.x = map.width - floatDG.width - floatDGRightOffset;
   floatDG.y = map.height - floatDG.height - floatDGBottomOffset;
   PopUpManager.addPopUp(floatDG,map,false,PopUpManagerChildList.POPUP)
   PopUpManager.bringToFront(floatDG);
  }else{
  ... ...

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