Extjs binding value not getting cleared



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0















Extjs binding value not getting cleared when the user clears the date field box manually ( user changes date field to blank )



I cannot post the code but i found a similar fiddle



In this fiddle i want the value to be cleared when i clear the datefield manually , instead what is happening is the display field keeps showing the old value



it would be great help if some one could provide me the solution










share|improve this question






























    0















    Extjs binding value not getting cleared when the user clears the date field box manually ( user changes date field to blank )



    I cannot post the code but i found a similar fiddle



    In this fiddle i want the value to be cleared when i clear the datefield manually , instead what is happening is the display field keeps showing the old value



    it would be great help if some one could provide me the solution










    share|improve this question


























      0












      0








      0








      Extjs binding value not getting cleared when the user clears the date field box manually ( user changes date field to blank )



      I cannot post the code but i found a similar fiddle



      In this fiddle i want the value to be cleared when i clear the datefield manually , instead what is happening is the display field keeps showing the old value



      it would be great help if some one could provide me the solution










      share|improve this question
















      Extjs binding value not getting cleared when the user clears the date field box manually ( user changes date field to blank )



      I cannot post the code but i found a similar fiddle



      In this fiddle i want the value to be cleared when i clear the datefield manually , instead what is happening is the display field keeps showing the old value



      it would be great help if some one could provide me the solution







      extjs binding extjs6-classic






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 14 '18 at 14:05









      Narendra Jadhav

      5,863112132




      5,863112132










      asked Nov 14 '18 at 9:22









      user2886147user2886147

      1




      1






















          1 Answer
          1






          active

          oldest

          votes


















          1














          You could use specialkey event for the datefield to achieve the required result.



          You can check here with working fiddle.



          Note you can put your logic based on your requirement. I have just create simple example.



          Code snippet



          Ext.application(
          name: 'Fiddle',

          launch: function ()
          Ext.create('Ext.panel.Panel',

          renderTo: Ext.getBody(),

          viewModel:
          data:
          dateFrom: null,

          ,

          items: [
          xtype: 'datefield',
          emptyText: 'Date From',
          bind: 'dateFrom',
          listeners:
          specialkey: function (field, e) e.getKey() == e.BACKSPACE)
          field.up('panel').getViewModel().set('dateFrom', null);



          ,
          xtype: 'displayfield',
          bind:
          value: 'dateFrom'

          ]
          );


          );





          share|improve this answer























          • Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

            – user2886147
            Nov 15 '18 at 7:44











          • yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

            – Narendra Jadhav
            Nov 15 '18 at 9:26











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          You could use specialkey event for the datefield to achieve the required result.



          You can check here with working fiddle.



          Note you can put your logic based on your requirement. I have just create simple example.



          Code snippet



          Ext.application(
          name: 'Fiddle',

          launch: function ()
          Ext.create('Ext.panel.Panel',

          renderTo: Ext.getBody(),

          viewModel:
          data:
          dateFrom: null,

          ,

          items: [
          xtype: 'datefield',
          emptyText: 'Date From',
          bind: 'dateFrom',
          listeners:
          specialkey: function (field, e) e.getKey() == e.BACKSPACE)
          field.up('panel').getViewModel().set('dateFrom', null);



          ,
          xtype: 'displayfield',
          bind:
          value: 'dateFrom'

          ]
          );


          );





          share|improve this answer























          • Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

            – user2886147
            Nov 15 '18 at 7:44











          • yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

            – Narendra Jadhav
            Nov 15 '18 at 9:26















          1














          You could use specialkey event for the datefield to achieve the required result.



          You can check here with working fiddle.



          Note you can put your logic based on your requirement. I have just create simple example.



          Code snippet



          Ext.application(
          name: 'Fiddle',

          launch: function ()
          Ext.create('Ext.panel.Panel',

          renderTo: Ext.getBody(),

          viewModel:
          data:
          dateFrom: null,

          ,

          items: [
          xtype: 'datefield',
          emptyText: 'Date From',
          bind: 'dateFrom',
          listeners:
          specialkey: function (field, e) e.getKey() == e.BACKSPACE)
          field.up('panel').getViewModel().set('dateFrom', null);



          ,
          xtype: 'displayfield',
          bind:
          value: 'dateFrom'

          ]
          );


          );





          share|improve this answer























          • Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

            – user2886147
            Nov 15 '18 at 7:44











          • yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

            – Narendra Jadhav
            Nov 15 '18 at 9:26













          1












          1








          1







          You could use specialkey event for the datefield to achieve the required result.



          You can check here with working fiddle.



          Note you can put your logic based on your requirement. I have just create simple example.



          Code snippet



          Ext.application(
          name: 'Fiddle',

          launch: function ()
          Ext.create('Ext.panel.Panel',

          renderTo: Ext.getBody(),

          viewModel:
          data:
          dateFrom: null,

          ,

          items: [
          xtype: 'datefield',
          emptyText: 'Date From',
          bind: 'dateFrom',
          listeners:
          specialkey: function (field, e) e.getKey() == e.BACKSPACE)
          field.up('panel').getViewModel().set('dateFrom', null);



          ,
          xtype: 'displayfield',
          bind:
          value: 'dateFrom'

          ]
          );


          );





          share|improve this answer













          You could use specialkey event for the datefield to achieve the required result.



          You can check here with working fiddle.



          Note you can put your logic based on your requirement. I have just create simple example.



          Code snippet



          Ext.application(
          name: 'Fiddle',

          launch: function ()
          Ext.create('Ext.panel.Panel',

          renderTo: Ext.getBody(),

          viewModel:
          data:
          dateFrom: null,

          ,

          items: [
          xtype: 'datefield',
          emptyText: 'Date From',
          bind: 'dateFrom',
          listeners:
          specialkey: function (field, e) e.getKey() == e.BACKSPACE)
          field.up('panel').getViewModel().set('dateFrom', null);



          ,
          xtype: 'displayfield',
          bind:
          value: 'dateFrom'

          ]
          );


          );






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 14 '18 at 14:02









          Narendra JadhavNarendra Jadhav

          5,863112132




          5,863112132












          • Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

            – user2886147
            Nov 15 '18 at 7:44











          • yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

            – Narendra Jadhav
            Nov 15 '18 at 9:26

















          • Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

            – user2886147
            Nov 15 '18 at 7:44











          • yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

            – Narendra Jadhav
            Nov 15 '18 at 9:26
















          Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

          – user2886147
          Nov 15 '18 at 7:44





          Narendra Jadhav : thanks for suggested solution. The new problem is now its not at all allowing me to edit the date string (one backspace and all the date is deleted) i have to always select through the date picker.

          – user2886147
          Nov 15 '18 at 7:44













          yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

          – Narendra Jadhav
          Nov 15 '18 at 9:26





          yes you are right. As I have mentioned in solution it's just demo. You can put your logic. You find the way how to do it.

          – Narendra Jadhav
          Nov 15 '18 at 9:26



















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