tree_file_node.vim (13610B)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 | "CLASS: TreeFileNode "This class is the parent of the TreeDirNode class and is the "'Component' part of the composite design pattern between the treenode "classes. "============================================================ let s:TreeFileNode = {} let g:NERDTreeFileNode = s:TreeFileNode "FUNCTION: TreeFileNode.activate(...) {{{1 function! s:TreeFileNode.activate(...) call self.open(a:0 ? a:1 : {}) endfunction "FUNCTION: TreeFileNode.bookmark(name) {{{1 "bookmark this node with a:name function! s:TreeFileNode.bookmark(name) "if a bookmark exists with the same name and the node is cached then save "it so we can update its display string let oldMarkedNode = {} try let oldMarkedNode = g:NERDTreeBookmark.GetNodeForName(a:name, 1) catch /^NERDTree.BookmarkNotFoundError/ catch /^NERDTree.BookmarkedNodeNotFoundError/ endtry call g:NERDTreeBookmark.AddBookmark(a:name, self.path) call self.path.cacheDisplayString() call g:NERDTreeBookmark.Write() if !empty(oldMarkedNode) call oldMarkedNode.path.cacheDisplayString() endif endfunction "FUNCTION: TreeFileNode.cacheParent() {{{1 "initializes self.parent if it isnt already function! s:TreeFileNode.cacheParent() if empty(self.parent) let parentPath = self.path.getParent() if parentPath.equals(self.path) throw "NERDTree.CannotCacheParentError: already at root" endif let self.parent = s:TreeFileNode.New(parentPath) endif endfunction "FUNCTION: TreeFileNode.clearBookmarks() {{{1 function! s:TreeFileNode.clearBookmarks() for i in g:NERDTreeBookmark.Bookmarks() if i.path.equals(self.path) call i.delete() end endfor call self.path.cacheDisplayString() endfunction "FUNCTION: TreeFileNode.copy(dest) {{{1 function! s:TreeFileNode.copy(dest) call self.path.copy(a:dest) let newPath = g:NERDTreePath.New(a:dest) let parent = b:NERDTreeRoot.findNode(newPath.getParent()) if !empty(parent) call parent.refresh() return parent.findNode(newPath) else return {} endif endfunction "FUNCTION: TreeFileNode.delete {{{1 "Removes this node from the tree and calls the Delete method for its path obj function! s:TreeFileNode.delete() call self.path.delete() call self.parent.removeChild(self) endfunction "FUNCTION: TreeFileNode.displayString() {{{1 " "Returns a string that specifies how the node should be represented as a "string " "Return: "a string that can be used in the view to represent this node function! s:TreeFileNode.displayString() return self.path.displayString() endfunction "FUNCTION: TreeFileNode.equals(treenode) {{{1 " "Compares this treenode to the input treenode and returns 1 if they are the "same node. " "Use this method instead of == because sometimes when the treenodes contain "many children, vim seg faults when doing == " "Args: "treenode: the other treenode to compare to function! s:TreeFileNode.equals(treenode) return self.path.str() ==# a:treenode.path.str() endfunction "FUNCTION: TreeFileNode.findNode(path) {{{1 "Returns self if this node.path.Equals the given path. "Returns {} if not equal. " "Args: "path: the path object to compare against function! s:TreeFileNode.findNode(path) if a:path.equals(self.path) return self endif return {} endfunction "FUNCTION: TreeFileNode.findOpenDirSiblingWithVisibleChildren(direction) {{{1 " "Finds the next sibling for this node in the indicated direction. This sibling "must be a directory and may/may not have children as specified. " "Args: "direction: 0 if you want to find the previous sibling, 1 for the next sibling " "Return: "a treenode object or {} if no appropriate sibling could be found function! s:TreeFileNode.findOpenDirSiblingWithVisibleChildren(direction) "if we have no parent then we can have no siblings if self.parent != {} let nextSibling = self.findSibling(a:direction) while nextSibling != {} if nextSibling.path.isDirectory && nextSibling.hasVisibleChildren() && nextSibling.isOpen return nextSibling endif let nextSibling = nextSibling.findSibling(a:direction) endwhile endif return {} endfunction "FUNCTION: TreeFileNode.findSibling(direction) {{{1 " "Finds the next sibling for this node in the indicated direction " "Args: "direction: 0 if you want to find the previous sibling, 1 for the next sibling " "Return: "a treenode object or {} if no sibling could be found function! s:TreeFileNode.findSibling(direction) "if we have no parent then we can have no siblings if self.parent != {} "get the index of this node in its parents children let siblingIndx = self.parent.getChildIndex(self.path) if siblingIndx != -1 "move a long to the next potential sibling node let siblingIndx = a:direction ==# 1 ? siblingIndx+1 : siblingIndx-1 "keep moving along to the next sibling till we find one that is valid let numSiblings = self.parent.getChildCount() while siblingIndx >= 0 && siblingIndx < numSiblings "if the next node is not an ignored node (i.e. wont show up in the "view) then return it if self.parent.children[siblingIndx].path.ignore() ==# 0 return self.parent.children[siblingIndx] endif "go to next node let siblingIndx = a:direction ==# 1 ? siblingIndx+1 : siblingIndx-1 endwhile endif endif return {} endfunction "FUNCTION: TreeFileNode.GetRootForTab(){{{1 "get the root node for this tab function! s:TreeFileNode.GetRootForTab() if g:NERDTree.ExistsForTab() return getbufvar(t:NERDTreeBufName, 'NERDTreeRoot') end return {} endfunction "FUNCTION: TreeFileNode.GetSelected() {{{1 "gets the treenode that the cursor is currently over function! s:TreeFileNode.GetSelected() try let path = b:NERDTree.ui.getPath(line(".")) if path ==# {} return {} endif return b:NERDTreeRoot.findNode(path) catch /^NERDTree/ return {} endtry endfunction "FUNCTION: TreeFileNode.isVisible() {{{1 "returns 1 if this node should be visible according to the tree filters and "hidden file filters (and their on/off status) function! s:TreeFileNode.isVisible() return !self.path.ignore() endfunction "FUNCTION: TreeFileNode.isRoot() {{{1 "returns 1 if this node is b:NERDTreeRoot function! s:TreeFileNode.isRoot() if !g:NERDTree.ExistsForBuf() throw "NERDTree.NoTreeError: No tree exists for the current buffer" endif return self.equals(b:NERDTreeRoot) endfunction "FUNCTION: TreeFileNode.makeRoot() {{{1 "Make this node the root of the tree function! s:TreeFileNode.makeRoot() if self.path.isDirectory let b:NERDTreeRoot = self else call self.cacheParent() let b:NERDTreeRoot = self.parent endif call b:NERDTreeRoot.open() "change dir to the dir of the new root if instructed to if g:NERDTreeChDirMode ==# 2 exec "cd " . b:NERDTreeRoot.path.str({'format': 'Edit'}) endif silent doautocmd User NERDTreeNewRoot endfunction "FUNCTION: TreeFileNode.New(path) {{{1 "Returns a new TreeNode object with the given path and parent " "Args: "path: a path object representing the full filesystem path to the file/dir that the node represents function! s:TreeFileNode.New(path) if a:path.isDirectory return g:NERDTreeDirNode.New(a:path) else let newTreeNode = copy(self) let newTreeNode.path = a:path let newTreeNode.parent = {} return newTreeNode endif endfunction "FUNCTION: TreeFileNode.open() {{{1 function! s:TreeFileNode.open(...) let opts = a:0 ? a:1 : {} let opener = g:NERDTreeOpener.New(self.path, opts) call opener.open(self) endfunction "FUNCTION: TreeFileNode.openSplit() {{{1 "Open this node in a new window function! s:TreeFileNode.openSplit() call nerdtree#deprecated('TreeFileNode.openSplit', 'is deprecated, use .open() instead.') call self.open({'where': 'h'}) endfunction "FUNCTION: TreeFileNode.openVSplit() {{{1 "Open this node in a new vertical window function! s:TreeFileNode.openVSplit() call nerdtree#deprecated('TreeFileNode.openVSplit', 'is deprecated, use .open() instead.') call self.open({'where': 'v'}) endfunction "FUNCTION: TreeFileNode.openInNewTab(options) {{{1 function! s:TreeFileNode.openInNewTab(options) echomsg 'TreeFileNode.openInNewTab is deprecated' call self.open(extend({'where': 't'}, a:options)) endfunction "FUNCTION: TreeFileNode.putCursorHere(isJump, recurseUpward){{{1 "Places the cursor on the line number this node is rendered on " "Args: "isJump: 1 if this cursor movement should be counted as a jump by vim "recurseUpward: try to put the cursor on the parent if the this node isnt "visible function! s:TreeFileNode.putCursorHere(isJump, recurseUpward) let ln = b:NERDTree.ui.getLineNum(self) if ln != -1 if a:isJump mark ' endif call cursor(ln, col(".")) else if a:recurseUpward let node = self while node != {} && b:NERDTree.ui.getLineNum(node) ==# -1 let node = node.parent call node.open() endwhile call b:NERDTree.render() call node.putCursorHere(a:isJump, 0) endif endif endfunction "FUNCTION: TreeFileNode.refresh() {{{1 function! s:TreeFileNode.refresh() call self.path.refresh() endfunction "FUNCTION: TreeFileNode.refreshFlags() {{{1 function! s:TreeFileNode.refreshFlags() call self.path.refreshFlags() endfunction "FUNCTION: TreeFileNode.rename() {{{1 "Calls the rename method for this nodes path obj function! s:TreeFileNode.rename(newName) let newName = substitute(a:newName, '\(\\\|\/\)$', '', '') call self.path.rename(newName) call self.parent.removeChild(self) let parentPath = self.path.getParent() let newParent = b:NERDTreeRoot.findNode(parentPath) if newParent != {} call newParent.createChild(self.path, 1) call newParent.refresh() endif endfunction "FUNCTION: TreeFileNode.renderToString {{{1 "returns a string representation for this tree to be rendered in the view function! s:TreeFileNode.renderToString() return self._renderToString(0, 0, [], self.getChildCount() ==# 1) endfunction "Args: "depth: the current depth in the tree for this call "drawText: 1 if we should actually draw the line for this node (if 0 then the "child nodes are rendered only) "vertMap: a binary array that indicates whether a vertical bar should be draw "for each depth in the tree "isLastChild:true if this curNode is the last child of its parent function! s:TreeFileNode._renderToString(depth, drawText, vertMap, isLastChild) let output = "" if a:drawText ==# 1 let treeParts = '' "get all the leading spaces and vertical tree parts for this line if a:depth > 1 for j in a:vertMap[0:-2] if g:NERDTreeDirArrows let treeParts = treeParts . ' ' else if j ==# 1 let treeParts = treeParts . '| ' else let treeParts = treeParts . ' ' endif endif endfor endif "get the last vertical tree part for this line which will be different "if this node is the last child of its parent if !g:NERDTreeDirArrows if a:isLastChild let treeParts = treeParts . '`' else let treeParts = treeParts . '|' endif endif "smack the appropriate dir/file symbol on the line before the file/dir "name itself if self.path.isDirectory if self.isOpen if g:NERDTreeDirArrows let treeParts = treeParts . '▾ ' else let treeParts = treeParts . '~' endif else if g:NERDTreeDirArrows let treeParts = treeParts . '▸ ' else let treeParts = treeParts . '+' endif endif else if g:NERDTreeDirArrows let treeParts = treeParts . ' ' else let treeParts = treeParts . '-' endif endif let line = treeParts . self.displayString() let output = output . line . "\n" endif "if the node is an open dir, draw its children if self.path.isDirectory ==# 1 && self.isOpen ==# 1 let childNodesToDraw = self.getVisibleChildren() if len(childNodesToDraw) > 0 "draw all the nodes children except the last let lastIndx = len(childNodesToDraw)-1 if lastIndx > 0 for i in childNodesToDraw[0:lastIndx-1] let output = output . i._renderToString(a:depth + 1, 1, add(copy(a:vertMap), 1), 0) endfor endif "draw the last child, indicating that it IS the last let output = output . childNodesToDraw[lastIndx]._renderToString(a:depth + 1, 1, add(copy(a:vertMap), 0), 1) endif endif return output endfunction " vim: set sw=4 sts=4 et fdm=marker: |