# BranchGraphColumn

Show branch graph.

# Constructor Properties

Property Description Default
start Set the moving direction by setting the beggining point. 'top' or 'bottom' 'bottom'
cache Set true when caching the calculation result of the branch structure. Please call clearCache(grid) when deleting the cahced data. false

# Style Properties

Property Description Default
branchColors Set the function which returns the color of branch you want to use. arguments: (branch name, index) the function which returns following colors in turn. '#979797','#008fb5','#f1c109'
margin Set the margin of side. 4
circleSize Set the size of point which express commit. 16
branchLineWidth Set the width of branch lines. 4
mergeStyle Set the way to express the merge line. 'bezier' or 'straight' 'bezier'
<div class="sample1 demo-grid large"></div>
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const grid = new cheetahGrid.ListGrid({
  parentElement: document.querySelector(".sample1"),
  header: [
    {
      field: (rec) => rec,
      caption: "BranchGraph",
      width: 200,
      columnType: new cheetahGrid.columns.type.BranchGraphColumn({
        start: "top", // Specify the start and indicate the direction to proceed. 'top' or 'bottom'. default 'bottom'
        cache: false, // cache enable. default false
      }),
    },
    {
      field(rec) {
        return `${JSON.stringify(rec)},`;
      },
      caption: "command",
      width: 1000,
    },
  ],
  frozenColCount: 1,
});
grid.records = [
  [
    // new branch 'mastar'
    {
      command: "branch",
      branch: "mastar",
    },
    // and commit 'mastar' branch
    {
      command: "commit",
      branch: "mastar",
    },
  ],
  [
    // commit 'mastar' branch
    {
      command: "commit",
      branch: "mastar",
    },
  ],
  [
    // new branch 'develop'. from 'mastar'
    {
      command: "branch",
      branch: {
        from: "mastar",
        to: "develop",
      },
    },
  ],
  [
    // commit 'develop' branch
    {
      command: "commit",
      branch: "develop",
    },
  ],
  [
    // merge 'develop' branch into 'master' branch
    {
      command: "merge",
      branch: {
        from: "develop",
        to: "mastar",
      },
    },
    // and tag with v.0.0.1
    {
      command: "tag",
      branch: "mastar",
      tag: "v1.0.0",
    },
  ],
  [
    null, // not doing
  ],
  //-------------------------
  [
    {
      command: "branch",
      branch: {
        from: "develop",
        to: "develop2",
      },
    },
    {
      command: "commit",
      branch: "develop2",
    },
  ],
  [
    {
      command: "branch",
      branch: {
        from: "develop",
        to: "develop3",
      },
    },
    {
      command: "commit",
      branch: "develop3",
    },
    {
      command: "merge",
      branch: {
        from: "develop2",
        to: "mastar",
      },
    },
  ],
  [
    {
      command: "commit",
      branch: "develop2",
    },
  ],
  [
    {
      command: "branch",
      branch: {
        from: "develop2",
        to: "develop4",
      },
    },
    {
      command: "commit",
      branch: "develop4",
    },
    {
      command: "branch",
      branch: {
        from: "develop2",
        to: "develop5",
      },
    },
    {
      command: "commit",
      branch: "develop5",
    },
  ],
  [
    {
      command: "commit",
      branch: "develop2",
    },
  ],
  [
    {
      command: "tag",
      branch: "mastar",
      tag: "v1.1.0",
    },
    {
      command: "commit",
      branch: "mastar",
    },
    {
      command: "commit",
      branch: "develop4",
    },
  ],
  {
    command: "commit",
    branch: "develop3",
  },
];
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