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Copy pathdata_provider.lua
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102 lines (91 loc) · 2.59 KB
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Copy pathdata_provider.lua
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102 lines (91 loc) · 2.59 KB
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local jdtls = require("java-deps.java.jdtls")
local data_node = require("java-deps.views.data_node")
local M = {}
---@class DataProvider
---@field rootPath string
---@field revealNode INodeData?
---@field _rootProjects DataNode[]?
local DataProvider = {}
DataProvider.__index = DataProvider
function DataProvider:new(rootPath)
return setmetatable({
rootPath = rootPath,
_rootProjects = {},
}, self)
end
---@return DataNode[]
function DataProvider:getRootProjects()
if self._rootProjects and #self._rootProjects > 0 then
return self._rootProjects
end
local rootProjects = {}
for _, project in ipairs(jdtls.getProjects(self.rootPath)) do
if project then
local root = data_node.createNode(project)
if root then
table.insert(rootProjects, root)
end
end
end
self._rootProjects = rootProjects
return rootProjects
end
function DataProvider:revealPaths(paths)
---@type INodeData[]
local rpath = paths or {}
self.revealNode = rpath and #rpath > 0 and rpath[#rpath] or nil
---@type INodeData
local cpath = (rpath and #rpath > 0) and table.remove(rpath, 1) or nil
local projects = self:getRootProjects()
for _, root in ipairs(projects) do
if cpath and cpath:getName() == root._nodeData:getName() and cpath:getPath() == root._nodeData:getPath() then
root:revealPaths(rpath)
break
end
end
end
---@param nodes DataNode[]
local function _flattenTree(result, nodes, level, hierarchy)
if not nodes or #nodes == 0 then
return
end
for idx, node in ipairs(nodes) do
local c = node:getTreeItem()
c.hierarchy = vim.deepcopy(hierarchy)
c.depth = level
if idx == #nodes then
-- 如果是最后一个节点, 子节点不需要再画竖线
c.hierarchy[level] = true
c.isLast = true
end
table.insert(result, c)
if node._childrenNodes and #node._childrenNodes > 0 and c:is_expanded() then
_flattenTree(result, node._childrenNodes, level + 1, c.hierarchy)
end
end
end
---@return TreeItem[]
function DataProvider:flattenTree()
---@type TreeItem[]
local result = {}
_flattenTree(result, self:getRootProjects(), 0, {})
return result
end
---获取当前节点位置
---@param treeItems TreeItem[]
function DataProvider:findRevealNode(treeItems)
if not treeItems or #treeItems == 0 then
return
end
for idx, item in ipairs(treeItems) do
if
item.data
and item.data._nodeData:getName() == self.revealNode:getName()
and item.data._nodeData:getPath() == self.revealNode:getPath()
then
return idx, item
end
end
end
M.DataProvider = DataProvider
return M