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rearranging order of some functions, marking some of them private

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@891 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
euzuro
2006-07-06 01:57:53 +00:00
parent f14a6049c1
commit 24503103b3
1 changed files with 96 additions and 84 deletions
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180
lib/OpenLayers/Layer/Grid.js
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@@ -24,6 +24,7 @@ OpenLayers.Layer.Grid.prototype =
* @type boolean */
alpha: false,
/**
* @constructor
*
@@ -196,90 +197,6 @@ OpenLayers.Layer.Grid.prototype =
},
/**
* @param {Boolean} prepend if true, prepend to beginning.
* if false, then append to end
*/
insertRow:function(prepend) {
var modelRowIndex = (prepend) ? 0 : (this.grid.length - 1);
var modelRow = this.grid[modelRowIndex];
var newRow = new Array();
var resolution = this.map.getResolution();
var deltaY = (prepend) ? -this.tileSize.h : this.tileSize.h;
var deltaLat = resolution * -deltaY;
for (var i=0; i < modelRow.length; i++) {
var modelTile = modelRow[i];
var bounds = modelTile.bounds.copyOf();
var position = modelTile.position.copyOf();
bounds.bottom = bounds.bottom + deltaLat;
bounds.top = bounds.top + deltaLat;
position.y = position.y + deltaY;
var newTile = this.addTile(bounds, position);
newTile.draw(this.alpha);
newRow.append(newTile);
}
if (newRow.length>0){
if (prepend) {
this.grid.prepend(newRow);
} else {
this.grid.append(newRow);
}
}
},
/**
* @param {Boolean} prepend if true, prepend to beginning.
* if false, then append to end
*/
insertColumn:function(prepend) {
var modelCellIndex;
var deltaX = (prepend) ? -this.tileSize.w : this.tileSize.w;
var resolution = this.map.getResolution();
var deltaLon = resolution * deltaX;
for (var i=0; i<this.grid.length; i++) {
var row = this.grid[i];
modelTileIndex = (prepend) ? 0 : (row.length - 1);
var modelTile = row[modelTileIndex];
var bounds = modelTile.bounds.copyOf();
var position = modelTile.position.copyOf();
bounds.left = bounds.left + deltaLon;
bounds.right = bounds.right + deltaLon;
position.x = position.x + deltaX;
var newTile = this.addTile(bounds, position);
newTile.draw(this.alpha);
if (prepend) {
row = row.prepend(newTile);
} else {
row = row.append(newTile);
}
}
},
/** go through and remove all tiles from the grid, calling
* destroy() on each of them to kill circular references
*
* @private
*/
clearGrid:function() {
if (this.grid) {
while(this.grid.length > 0) {
var row = this.grid[0];
while(row.length > 0) {
var tile = row[0];
tile.destroy();
row.remove(tile);
}
this.grid.remove(row);
}
}
},
/**
* addTile gives subclasses of Grid the opportunity to create an
@@ -296,6 +213,12 @@ OpenLayers.Layer.Grid.prototype =
},
/********************************************************/
/* */
/* Baselayer Functions */
/* */
/********************************************************/
/**
* @returns Degrees per Pixel
* @type float
@@ -335,6 +258,95 @@ OpenLayers.Layer.Grid.prototype =
return zoom;
},
/** go through and remove all tiles from the grid, calling
* destroy() on each of them to kill circular references
*
* @private
*/
clearGrid:function() {
if (this.grid) {
while(this.grid.length > 0) {
var row = this.grid[0];
while(row.length > 0) {
var tile = row[0];
tile.destroy();
row.remove(tile);
}
this.grid.remove(row);
}
}
},
/**
* @private
*
* @param {Boolean} prepend if true, prepend to beginning.
* if false, then append to end
*/
insertRow:function(prepend) {
var modelRowIndex = (prepend) ? 0 : (this.grid.length - 1);
var modelRow = this.grid[modelRowIndex];
var newRow = new Array();
var resolution = this.map.getResolution();
var deltaY = (prepend) ? -this.tileSize.h : this.tileSize.h;
var deltaLat = resolution * -deltaY;
for (var i=0; i < modelRow.length; i++) {
var modelTile = modelRow[i];
var bounds = modelTile.bounds.copyOf();
var position = modelTile.position.copyOf();
bounds.bottom = bounds.bottom + deltaLat;
bounds.top = bounds.top + deltaLat;
position.y = position.y + deltaY;
var newTile = this.addTile(bounds, position);
newTile.draw(this.alpha);
newRow.append(newTile);
}
if (newRow.length>0){
if (prepend) {
this.grid.prepend(newRow);
} else {
this.grid.append(newRow);
}
}
},
/**
* @private
*
* @param {Boolean} prepend if true, prepend to beginning.
* if false, then append to end
*/
insertColumn:function(prepend) {
var modelCellIndex;
var deltaX = (prepend) ? -this.tileSize.w : this.tileSize.w;
var resolution = this.map.getResolution();
var deltaLon = resolution * deltaX;
for (var i=0; i<this.grid.length; i++) {
var row = this.grid[i];
modelTileIndex = (prepend) ? 0 : (row.length - 1);
var modelTile = row[modelTileIndex];
var bounds = modelTile.bounds.copyOf();
var position = modelTile.position.copyOf();
bounds.left = bounds.left + deltaLon;
bounds.right = bounds.right + deltaLon;
position.x = position.x + deltaX;
var newTile = this.addTile(bounds, position);
newTile.draw(this.alpha);
if (prepend) {
row = row.prepend(newTile);
} else {
row = row.append(newTile);
}
}
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Layer.Grid"
});