- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/grid/_Layout.js
dojo.provide("dojox.grid._Layout");
dojo.require("dojox.grid.cells");
dojo.require("dojox.grid._RowSelector");
dojo.declare("dojox.grid._Layout", null, {
// summary:
// Controls grid cell layout. Owned by grid and used internally.
constructor: function(inGrid){
this.grid = inGrid;
},
// flat array of grid cells
cells: [],
// structured array of grid cells
structure: null,
// default cell width
defaultWidth: '6em',
// methods
moveColumn: function(sourceViewIndex, destViewIndex, cellIndex, targetIndex, before){
var source_cells = this.structure[sourceViewIndex].cells[0];
var dest_cells = this.structure[destViewIndex].cells[0];
var cell = null;
var cell_ri = 0;
var target_ri = 0;
for(var i=0, c; c=source_cells[i]; i++){
if(c.index == cellIndex){
cell_ri = i;
break;
}
}
cell = source_cells.splice(cell_ri, 1)[0];
cell.view = this.grid.views.views[destViewIndex];
for(i=0, c=null; c=dest_cells[i]; i++){
if(c.index == targetIndex){
target_ri = i;
break;
}
}
if(!before){
target_ri += 1;
}
dest_cells.splice(target_ri, 0, cell);
this.cells = [];
var cellIndex = 0;
for(var i=0, v; v=this.structure[i]; i++){
for(var j=0, cs; cs=v.cells[j]; j++){
for(var k=0, c; c=cs[k]; k++){
c.index = cellIndex;
this.cells.push(c);
cellIndex++;
}
}
}
this.grid.setupHeaderMenu();
//this.grid.renderOnIdle();
},
setColumnVisibility: function(columnIndex, visible){
var cell = this.cells[columnIndex];
if(cell.hidden == visible){
cell.hidden = !visible;
var v = cell.view, w = v.viewWidth;
v.convertColPctToFixed();
if(w && w != "auto"){
v._togglingColumn = dojo.marginBox(cell.getHeaderNode()).w || 0;
}
v.update();
return true;
}else{
return false;
}
},
addCellDef: function(inRowIndex, inCellIndex, inDef){
var self = this;
var getCellWidth = function(inDef){
var w = 0;
if(inDef.colSpan > 1){
w = 0;
}else if(!isNaN(inDef.width)){
w = inDef.width + "em";
}else{
w = inDef.width || self.defaultWidth;
}
return w;
};
var props = {
grid: this.grid,
subrow: inRowIndex,
layoutIndex: inCellIndex,
index: this.cells.length
};
if(inDef && inDef instanceof dojox.grid.cells._Base){
props.unitWidth = getCellWidth(inDef._props);
inDef = dojo.mixin(inDef, this._defaultCellProps, inDef._props, props);
return inDef;
}
var cell_type = inDef.type || this._defaultCellProps.type || dojox.grid.cells.Cell;
props.unitWidth = getCellWidth(inDef);
return new cell_type(dojo.mixin({}, this._defaultCellProps, inDef, props));
},
addRowDef: function(inRowIndex, inDef){
var result = [];
var relSum = 0, pctSum = 0, doRel = true;
for(var i=0, def, cell; (def=inDef[i]); i++){
cell = this.addCellDef(inRowIndex, i, def);
result.push(cell);
this.cells.push(cell);
// Check and calculate the sum of all relative widths
if(doRel && cell.relWidth){
relSum += cell.relWidth;
}else if (cell.width){
var w = cell.width;
if(typeof w == "string" && w.slice(-1) == "%"){
pctSum += window.parseInt(w, 10);
}else if(w == "auto"){
// relative widths doesn't play nice with auto - since we
// don't have a way of knowing how much space the auto is
// supposed to take up.
doRel = false;
}
}
}
if(relSum && doRel){
// We have some kind of relWidths specified - so change them to %
dojo.forEach(result, function(cell){
if(cell.relWidth){
cell.width = cell.unitWidth = ((cell.relWidth / relSum) * (100 - pctSum)) + "%";
}
});
}
return result;
},
addRowsDef: function(inDef){
var result = [];
if(dojo.isArray(inDef)){
if(dojo.isArray(inDef[0])){
for(var i=0, row; inDef && (row=inDef[i]); i++){
result.push(this.addRowDef(i, row));
}
}else{
result.push(this.addRowDef(0, inDef));
}
}
return result;
},
addViewDef: function(inDef){
this._defaultCellProps = inDef.defaultCell || {};
return dojo.mixin({}, inDef, {cells: this.addRowsDef(inDef.rows || inDef.cells)});
},
setStructure: function(inStructure){
this.fieldIndex = 0;
this.cells = [];
var s = this.structure = [];
if(this.grid.rowSelector){
var sel = { type: dojox._scopeName + ".grid._RowSelector" };
if(dojo.isString(this.grid.rowSelector)){
var width = this.grid.rowSelector;
if(width == "false"){
sel = null;
}else if(width != "true"){
sel['width'] = width;
}
}else{
if(!this.grid.rowSelector){
sel = null;
}
}
if(sel){
s.push(this.addViewDef(sel));
}
}
var isCell = function(def){
return ("name" in def || "field" in def || "get" in def);
};
var isRowDef = function(def){
if(dojo.isArray(def)){
if(dojo.isArray(def[0]) || isCell(def[0])){
return true;
}
}
return false;
};
var isView = function(def){
return (def != null && dojo.isObject(def) &&
("cells" in def || "rows" in def || ("type" in def && !isCell(def))));
};
if(dojo.isArray(inStructure)){
var hasViews = false;
for(var i=0, st; (st=inStructure[i]); i++){
if(isView(st)){
hasViews = true;
break;
}
}
if(!hasViews){
s.push(this.addViewDef({ cells: inStructure }));
}else{
for(var i=0, st; (st=inStructure[i]); i++){
if(isRowDef(st)){
s.push(this.addViewDef({ cells: st }));
}else if(isView(st)){
s.push(this.addViewDef(st));
}
}
}
}else if(isView(inStructure)){
// it's a view object
s.push(this.addViewDef(inStructure));
}
this.cellCount = this.cells.length;
this.grid.setupHeaderMenu();
}
});
