Mercurial Repositories > eric / file comparison
comparison: Graphics/AssociationItem.py
Graphics/AssociationItem.py
- changeset 2030
- db11a2fe9bbc
- parent 2024
- 717b72b32420
- child 2034
- 8de0fc1f7fef
equal
deleted
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replaced
| 2028:30247d523fdb | 2030:db11a2fe9bbc |
|---|---|
| 10 from PyQt4.QtCore import QPointF, QRectF, QLineF | 10 from PyQt4.QtCore import QPointF, QRectF, QLineF |
| 11 from PyQt4.QtGui import QGraphicsItem | 11 from PyQt4.QtGui import QGraphicsItem |
| 12 | 12 |
| 13 from E5Graphics.E5ArrowItem import E5ArrowItem, NormalArrow, WideArrow | 13 from E5Graphics.E5ArrowItem import E5ArrowItem, NormalArrow, WideArrow |
| 14 | 14 |
| 15 import Utilities | |
| 16 | |
| 17 | |
| 15 Normal = 0 | 18 Normal = 0 |
| 16 Generalisation = 1 | 19 Generalisation = 1 |
| 17 Imports = 2 | 20 Imports = 2 |
| 21 | |
| 18 | 22 |
| 19 NoRegion = 0 | 23 NoRegion = 0 |
| 20 West = 1 | 24 West = 1 |
| 21 North = 2 | 25 North = 2 |
| 22 East = 3 | 26 East = 3 |
| 75 self.calculateEndingPoints = self.__calculateEndingPoints_rectangle | 79 self.calculateEndingPoints = self.__calculateEndingPoints_rectangle |
| 76 | 80 |
| 77 self.itemA = itemA | 81 self.itemA = itemA |
| 78 self.itemB = itemB | 82 self.itemB = itemB |
| 79 self.assocType = type | 83 self.assocType = type |
| 84 self.topToBottom = topToBottom | |
| 80 | 85 |
| 81 self.regionA = NoRegion | 86 self.regionA = NoRegion |
| 82 self.regionB = NoRegion | 87 self.regionB = NoRegion |
| 83 | 88 |
| 84 self.calculateEndingPoints() | 89 self.calculateEndingPoints() |
| 502 """ | 507 """ |
| 503 Public method to unassociate from the widgets. | 508 Public method to unassociate from the widgets. |
| 504 """ | 509 """ |
| 505 self.itemA.removeAssociation(self) | 510 self.itemA.removeAssociation(self) |
| 506 self.itemB.removeAssociation(self) | 511 self.itemB.removeAssociation(self) |
| 512 | |
| 513 def buildAssociationItemDataString(self): | |
| 514 """ | |
| 515 Public method to build a string to persist the specific item data. | |
| 516 | |
| 517 This string should be built like "attribute=value" with pairs separated | |
| 518 by ", ". value must not contain ", " or newlines. | |
| 519 | |
| 520 @return persistence data (string) | |
| 521 """ | |
| 522 entries = [ | |
| 523 "src={0}".format(self.itemA.getId()), | |
| 524 "dst={0}".format(self.itemB.getId()), | |
| 525 "type={0}".format(self.assocType), | |
| 526 "topToBottom={0}".format(self.topToBottom) | |
| 527 ] | |
| 528 return ", ".join(entries) | |
| 529 | |
| 530 @classmethod | |
| 531 def parseAssociationItemDataString(cls, data): | |
| 532 """ | |
| 533 Class method to parse the given persistence data. | |
| 534 | |
| 535 @param data persisted data to be parsed (string) | |
| 536 @return tuple with the IDs of the source and destination items, | |
| 537 the association type and a flag indicating to associate from top | |
| 538 to bottom (integer, integer, integer, boolean) | |
| 539 """ | |
| 540 src = -1 | |
| 541 dst = -1 | |
| 542 assocType = Normal | |
| 543 topToBottom = False | |
| 544 for entry in data.split(", "): | |
| 545 if "=" in entry: | |
| 546 key, value = entry.split("=", 1) | |
| 547 if key == "src": | |
| 548 src = int(value) | |
| 549 elif key == "dst": | |
| 550 dst = int(value) | |
| 551 elif key == "type": | |
| 552 assocType = value | |
| 553 elif key == "topToBottom": | |
| 554 topToBottom = Utilities.toBool(value) | |
| 555 | |
| 556 return src, dst, assocType, topToBottom |
