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59.27-155.699 59.262-214.96 0-59.27-59.26-59.27-155.7 0-214.96l37.106-37.106c9.84-9.84 26.786-3.3 27.294 10.606.648 17.722 3.826 35.527 9.69 52.721 1.986 5.822.567 12.262-3.783 16.612l-13.087 13.087c-28.026 28.026-28.905 73.66-1.155 101.96 28.024 28.579 74.086 28.749 102.325.51l67.2-67.19c28.191-28.191 28.073-73.757 0-101.83-3.701-3.694-7.429-6.564-10.341-8.569a16.037 16.037 0 0 1-6.947-12.606c-.396-10.567 3.348-21.456 11.698-29.806l21.054-21.055c5.521-5.521 14.182-6.199 20.584-1.731a152.482 152.482 0 0 1 20.522 17.197zM467.547 44.449c-59.261-59.262-155.69-59.27-214.96 0l-67.2 67.2c-.12.12-.25.25-.36.37-58.566 58.892-59.387 154.781.36 214.59a152.454 152.454 0 0 0 20.521 17.196c6.402 4.468 15.064 3.789 20.584-1.731l21.054-21.055c8.35-8.35 12.094-19.239 11.698-29.806a16.037 16.037 0 0 0-6.947-12.606c-2.912-2.005-6.64-4.875-10.341-8.569-28.073-28.073-28.191-73.639 0-101.83l67.2-67.19c28.239-28.239 74.3-28.069 102.325.51 27.75 28.3 26.872 73.934-1.155 101.96l-13.087 13.087c-4.35 4.35-5.769 10.79-3.783 16.612 5.864 17.194 9.042 34.999 9.69 52.721.509 13.906 17.454 20.446 27.294 10.606l37.106-37.106c59.271-59.259 59.271-155.699.001-214.959z"},"children":[]}]}]},{"type":"text","value":"Static Master Rows"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Once a Master Grid is configured with "},{"type":"element","tagName":"code","properties":{},"children":[{"type":"text","value":"masterDetail=true"}]},{"type":"text","value":", all rows in the Master Grid behave as Master Rows, in that they can be expanded to display Detail Grids."}]},{"type":"element","tagName":"snippet","properties":{},"children":[{"type":"text","value":"\nconst gridOptions = {\n    // by itself, all rows will be expandable\n    masterDetail: true,\n}\n"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Because Static Master Rows are used in all the basic examples of Master / Detail, another example is not given here."}]},{"type":"element","tagName":"h2","properties":{"id":"dynamic-master-rows","style":"position:relative;"},"children":[{"type":"element","tagName":"a","properties":{"href":"#dynamic-master-rows","ariaLabel":"dynamic master rows permalink","className":["anchor","before"]},"children":[{"type":"element","tagName":"svg","properties":{"ariaHidden":"true","focusable":"false","dataPrefix":"fas","dataIcon":"link","className":["svg-inline--fa","fa-link"],"role":"img","xmlns":"http://www.w3.org/2000/svg","viewBox":"0 0 512 512"},"children":[{"type":"element","tagName":"path","properties":{"fill":"currentColor","d":"M326.612 185.391c59.747 59.809 58.927 155.698.36 214.59-.11.12-.24.25-.36.37l-67.2 67.2c-59.27 59.27-155.699 59.262-214.96 0-59.27-59.26-59.27-155.7 0-214.96l37.106-37.106c9.84-9.84 26.786-3.3 27.294 10.606.648 17.722 3.826 35.527 9.69 52.721 1.986 5.822.567 12.262-3.783 16.612l-13.087 13.087c-28.026 28.026-28.905 73.66-1.155 101.96 28.024 28.579 74.086 28.749 102.325.51l67.2-67.19c28.191-28.191 28.073-73.757 0-101.83-3.701-3.694-7.429-6.564-10.341-8.569a16.037 16.037 0 0 1-6.947-12.606c-.396-10.567 3.348-21.456 11.698-29.806l21.054-21.055c5.521-5.521 14.182-6.199 20.584-1.731a152.482 152.482 0 0 1 20.522 17.197zM467.547 44.449c-59.261-59.262-155.69-59.27-214.96 0l-67.2 67.2c-.12.12-.25.25-.36.37-58.566 58.892-59.387 154.781.36 214.59a152.454 152.454 0 0 0 20.521 17.196c6.402 4.468 15.064 3.789 20.584-1.731l21.054-21.055c8.35-8.35 12.094-19.239 11.698-29.806a16.037 16.037 0 0 0-6.947-12.606c-2.912-2.005-6.64-4.875-10.341-8.569-28.073-28.073-28.191-73.639 0-101.83l67.2-67.19c28.239-28.239 74.3-28.069 102.325.51 27.75 28.3 26.872 73.934-1.155 101.96l-13.087 13.087c-4.35 4.35-5.769 10.79-3.783 16.612 5.864 17.194 9.042 34.999 9.69 52.721.509 13.906 17.454 20.446 27.294 10.606l37.106-37.106c59.271-59.259 59.271-155.699.001-214.959z"},"children":[]}]}]},{"type":"text","value":"Dynamic Master Rows"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Dynamic Master Rows allows specifically deciding what rows in the Master Grid can be expanded. This can be useful if, for example, a Master Row has no child records, then it may not be desirable to allow expanding the Master Row."}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"In specify which rows should expand, provide the grid callback "},{"type":"element","tagName":"code","properties":{},"children":[{"type":"text","value":"isRowMaster"}]},{"type":"text","value":". The callback will be called once for each row. Return "},{"type":"element","tagName":"code","properties":{},"children":[{"type":"text","value":"true"}]},{"type":"text","value":" to allow expanding and "},{"type":"element","tagName":"code","properties":{},"children":[{"type":"text","value":"false"}]},{"type":"text","value":" to disallow expanding for that row."}]},{"type":"element","tagName":"div","properties":{},"children":[{"type":"element","tagName":"api-documentation","properties":{"source":"grid-options/properties.json","section":"masterDetail","names":"[\"isRowMaster\"]"},"children":[]}]},{"type":"element","tagName":"snippet","properties":{"spacebetweenproperties":"true"},"children":[{"type":"text","value":"\n|const gridOptions = {\n|    // turn on master detail\n|    masterDetail: true,\n|\n|    // specify which rows to expand\n|    isRowMaster: dataItem => {\n|        return expandThisRow ? true : false;\n|    }\n|}\n"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"The following example only shows detail rows when there are corresponding child records."}]},{"type":"element","tagName":"div","properties":{},"children":[{"type":"element","tagName":"grid-example","properties":{"title":"Dynamic Master Rows","name":"dynamic","type":"generated","options":"{ \"enterprise\": true, \"exampleHeight\": 510, \"modules\": [\"clientside\", \"masterdetail\", \"menu\", \"columnpanel\"] }"},"children":[]}]},{"type":"element","tagName":"h2","properties":{"id":"changing-dynamic-master-rows","style":"position:relative;"},"children":[{"type":"element","tagName":"a","properties":{"href":"#changing-dynamic-master-rows","ariaLabel":"changing dynamic master rows permalink","className":["anchor","before"]},"children":[{"type":"element","tagName":"svg","properties":{"ariaHidden":"true","focusable":"false","dataPrefix":"fas","dataIcon":"link","className":["svg-inline--fa","fa-link"],"role":"img","xmlns":"http://www.w3.org/2000/svg","viewBox":"0 0 512 512"},"children":[{"type":"element","tagName":"path","properties":{"fill":"currentColor","d":"M326.612 185.391c59.747 59.809 58.927 155.698.36 214.59-.11.12-.24.25-.36.37l-67.2 67.2c-59.27 59.27-155.699 59.262-214.96 0-59.27-59.26-59.27-155.7 0-214.96l37.106-37.106c9.84-9.84 26.786-3.3 27.294 10.606.648 17.722 3.826 35.527 9.69 52.721 1.986 5.822.567 12.262-3.783 16.612l-13.087 13.087c-28.026 28.026-28.905 73.66-1.155 101.96 28.024 28.579 74.086 28.749 102.325.51l67.2-67.19c28.191-28.191 28.073-73.757 0-101.83-3.701-3.694-7.429-6.564-10.341-8.569a16.037 16.037 0 0 1-6.947-12.606c-.396-10.567 3.348-21.456 11.698-29.806l21.054-21.055c5.521-5.521 14.182-6.199 20.584-1.731a152.482 152.482 0 0 1 20.522 17.197zM467.547 44.449c-59.261-59.262-155.69-59.27-214.96 0l-67.2 67.2c-.12.12-.25.25-.36.37-58.566 58.892-59.387 154.781.36 214.59a152.454 152.454 0 0 0 20.521 17.196c6.402 4.468 15.064 3.789 20.584-1.731l21.054-21.055c8.35-8.35 12.094-19.239 11.698-29.806a16.037 16.037 0 0 0-6.947-12.606c-2.912-2.005-6.64-4.875-10.341-8.569-28.073-28.073-28.191-73.639 0-101.83l67.2-67.19c28.239-28.239 74.3-28.069 102.325.51 27.75 28.3 26.872 73.934-1.155 101.96l-13.087 13.087c-4.35 4.35-5.769 10.79-3.783 16.612 5.864 17.194 9.042 34.999 9.69 52.721.509 13.906 17.454 20.446 27.294 10.606l37.106-37.106c59.271-59.259 59.271-155.699.001-214.959z"},"children":[]}]}]},{"type":"text","value":"Changing Dynamic Master Rows"}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"The callback "},{"type":"element","tagName":"code","properties":{},"children":[{"type":"text","value":"isRowMaster"}]},{"type":"text","value":" is re-called after data changes in the row as a result of a "},{"type":"element","tagName":"a","properties":{"href":"/archive/27.3.0/data-update-transactions/"},"children":[{"type":"text","value":"Transaction Update"}]},{"type":"text","value":". This gives the opportunity to change whether the row is expandable or not."}]},{"type":"element","tagName":"div","properties":{"className":["gatsby-highlight"],"dataLanguage":"js"},"children":[{"type":"element","tagName":"pre","properties":{"className":["language-js"]},"children":[{"type":"element","tagName":"code","properties":{"className":["language-js"]},"children":[{"type":"element","tagName":"span","properties":{"className":["token","comment"]},"children":[{"type":"text","value":"// to get isRowMaster called again, update the row using a Transaction Update"}]},{"type":"text","value":"\n"},{"type":"element","tagName":"span","properties":{"className":["token","keyword"]},"children":[{"type":"text","value":"const"}]},{"type":"text","value":" transaction "},{"type":"element","tagName":"span","properties":{"className":["token","operator"]},"children":[{"type":"text","value":"="}]},{"type":"text","value":" "},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"{"}]},{"type":"text","value":" update"},{"type":"element","tagName":"span","properties":{"className":["token","operator"]},"children":[{"type":"text","value":":"}]},{"type":"text","value":" "},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"["}]},{"type":"text","value":" updatedRecord1"},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":","}]},{"type":"text","value":" updatedRecord2 "},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"]"}]},{"type":"text","value":" "},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"}"}]},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":";"}]},{"type":"text","value":"\ngridApi"},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"."}]},{"type":"element","tagName":"span","properties":{"className":["token","function"]},"children":[{"type":"text","value":"applyTransaction"}]},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":"("}]},{"type":"text","value":"transaction"},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":")"}]},{"type":"element","tagName":"span","properties":{"className":["token","punctuation"]},"children":[{"type":"text","value":";"}]}]}]}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"In the example below, only Master Rows that have data to show are expandable. Note the following:"}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Row 'Nora Thomas' has no detail records, thus is not expandable."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Row 'Mila Smith' has detail records, thus is expandable."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Clicking 'Clear Mila Calls' removes detail records from Mila Smith which results in the Mila Smith row no longer been a Master Row."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Clicking 'Set Mila Calls' sets detail records from Mila Smith which results in the Mila Smith becoming a Master Row."}]},{"type":"text","value":"\n"}]},{"type":"element","tagName":"div","properties":{},"children":[{"type":"element","tagName":"grid-example","properties":{"title":"Dynamically Changing Master Rows","name":"changing-dynamic-1","type":"generated","options":"{ \"enterprise\": true, \"exampleHeight\": 510, \"modules\": [\"clientside\", \"masterdetail\", \"menu\", \"columnpanel\"] }"},"children":[]}]},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"The example below extends the previous example. It demonstrates a common scenario of the Master Row controlling the Detail Rows. Note the following:"}]},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Each Master Row has buttons to add or remove one detail rows."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Clicking 'Add' will:"}]},{"type":"text","value":"\n"},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Add one detail row."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Ensure the Master Row is expandable."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Ensure the Master Row is expanded (i.e. the Detail Grid is visible)."}]},{"type":"text","value":"\n"}]},{"type":"text","value":"\n"}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"p","properties":{},"children":[{"type":"text","value":"Clicking 'Remove' will:"}]},{"type":"text","value":"\n"},{"type":"element","tagName":"ul","properties":{},"children":[{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"Remove one detail row."}]},{"type":"text","value":"\n"},{"type":"element","tagName":"li","properties":{},"children":[{"type":"text","value":"If no detail rows exist, ensure Master Row is not expandable"}]},{"type":"text","value":"\n"}]},{"type":"text","value":"\n"}]},{"type":"text","value":"\n"}]},{"type":"element","tagName":"div","properties":{},"children":[{"type":"element","tagName":"grid-example","properties":{"title":"Dynamically Changing Master Rows","name":"changing-dynamic-2","type":"generated","options":"{ \"enterprise\": true, \"exampleHeight\": 510, \"modules\": [\"clientside\", \"masterdetail\", \"menu\", \"columnpanel\"] }"},"children":[]}]}]},"frontmatter":{"title":"Master / Detail - Master Rows","version":null,"enterprise":true,"description":null},"headings":[{"id":"static-master-rows","depth":2,"value":"Static Master Rows"},{"id":"dynamic-master-rows","depth":2,"value":"Dynamic Master Rows"},{"id":"changing-dynamic-master-rows","depth":2,"value":"Changing Dynamic Master Rows"}]}},"pageContext":{"frameworks":["javascript","angular","react","vue"],"framework":"react","srcPath":"/master-detail-master-rows","pageName":"master-detail-master-rows"}},
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